Quiz Questions

Question 1 1 Marks

Which machine converts mechanical energy into electrical energy?

A

Battery

B

Generator

C

Heater

D

Iron box

Question 2 1 Marks

Which is the unit of current?

A

Ampere

B

Volt

C

Ohm

D

Watt

Question 3 1 Marks

Which is the unit of resistance?

A

Ampere

B

Volt

C

Ohm

D

Watt

Question 4 1 Marks

What is the flow of electrons in any conductor?

A

Voltage

B

Current

C

Resistance

D

Power

Question 5 1 Marks

Which property of a substance is opposing the flow of electric current?

A

Current

B

Voltage

C

Resistance

D

EMF

Question 6 1 Marks

Which is very good conductor?

A

Copper

B

Cast iron

C

Wrought iron

D

Steel

Question 7 1 Marks

Which is mineral insulator

A

Glass

B

Quartz

C

Mica

D

Porcelain

Question 8 1 Marks

What is the total resistance if three resistances of 3 ohms, 9 ohms and 5 ohms are connected in series?

A

11 ohms

B

7 ohm

C

17 ohms

D

1/17 ohms

Question 9 1 Marks

What is the total resistance if two resistances of 4 ohms and 6 ohms are connected in parallel?

A

10

B

2.4

C

5

D

4

Question 10 1 Marks

Which is same in series connection of resistors in a circuit?

A

Current

B

Voltage

C

Resistance

D

Power

Question 11 1 Marks

Which law states that at constant termperature the current passing through a closed circuit is directly proportional to the potential difference and inversely proportional to the resistance?

A

Ohm's law

B

Lenz's law

C

Newton's law

D

Hooke's law

Question 12 1 Marks

What is the resistance?
 
I = 11.5 Amps
 
V = 380 Volts
 
R = _______Ohms

A

13 ohms

B

23 ohms

C

33 ohms

D

43 ohms

Question 13 1 Marks

What is the current?
 
R = 50 Ohms
 
220 Volts
 
I =______Amps

A

4.1 Amps

B

4.2 Amps

C

4.3 Amps

D

4.4 Amps

Question 14 1 Marks

What is the voltage?
 
R = 250 Ohms
 
I = 0.44 Amps
 
V = _____Volts

A

100 Volts

B

105 Volts

C

108 Volts

D

110 Volts

Question 15 1 Marks

Which statement is correct according to ohm's law?

A

I = 1/V

B

I = R

C

I = V/R

D

I = R/V

Question 16 1 Marks

What is the filament resistance if a 6 volt bulb draws a current of 0.5 Amps?

A

12 W

B

10 W

C

3 W

D

1.2 W

Question 17 1 Marks

How much watt second in 1 watt hour?

A

1000 watt sec

B

2000 watt sec

C

3600 watt sec

D

4000 watt sec

Question 18 1 Marks

What is the power if an emf of one volt causes a current flow of 1ampere?

A

1 watt

B

1 kilowatt

C

1 HP

D

1 Kilowatt hour

Question 19 1 Marks

Which is equal to electric power?

A

R2I watts

B

I2R watts

C

RI

D

IRA

Question 20 1 Marks

How much power does it consumes if an electric heater draws a current of 10 amps at 200 volts?

A

2000 watts

B

2010 watts

C

2020 watts

D

2030 watts

Question 21 1 Marks

What is the resistance of an electric iron if the rating of electric iron is 220 V and 500 watts?

A

94.8 ohms

B

95.8 ohms

C

96.8 ohms

D

97.8 ohms

Question 22 1 Marks

What is the voltage of the immersion heater?
 P = 500 watts
 
I = 2.27 Amps
 
V = ______Volts

A

200.3 volts

B

210.3 volts

C

220.3 volts

D

230.3 volts

Question 23 1 Marks

What is the unit of intensity of magnetic field?

A

wb/m

B

m/wb

C

Hertz

D

Coloumb

Question 24 1 Marks

Which law states about electromagnetic induction?

A

Ohm's law

B

Hooke's law

C

Lenz's law

D

Faraday's law

Question 25 1 Marks

What is the formual for induced emf?

A

B2L sinq volts

B

BL sinq volts

C

BLV sinq volts

D

B2V sinq volts

Question 26 1 Marks

What does EMF stands for?

A

Electronic Magnetic Force

B

Electro Motive Force

C

Electro Magnetic Force

D

Electromated Force

Question 27 1 Marks

Which is the example for statically induced emf?

A

Generator

B

Motor

C

Transformer

D

Refrigerator

Question 28 1 Marks

Which is the example for dynamicallly induced Emf?

A

Motor

B

Generator

C

Car

D

Motor bike

Question 29 1 Marks

Which is the unit electrical power?

A

Volts

B

Ohms

C

Watts

D

Ampere

Question 30 1 Marks

What is the current Flow in the bulb?
 
P = 550 watts
 
R = 22 Ohms
 
I = ______Amps

A

2 Amps

B

3 Amps

C

4 Amps

D

5 Amps

Question 31 1 Marks

What is the power required?
 
I = 0.455 Amps
 
R = 484 Ohms
 
P = _____Watts

A

98.2 watts

B

99.2 watts

C

100.2 watts

D

101.2 watts

Question 32 1 Marks

What is the rated power if an adjustable resistor bears the following label 1.5 k ohms/ 0.08A?

A

9.2 watts

B

9.4 watts

C

9.6 watts

D

9.8 watts

Question 33 1 Marks

How much voltage will be required to illuminate a 40 watts fluorescent lamp draws a current of 0.10 amperes?

A

390 volts

B

395 volts

C

400 volts

D

405 volts

Question 34 1 Marks

How many hours will take for a 100 watts bulb to consume 1 kwh energy?
 
W = 1 Kwh
 
P = 100 Watts
 
t = _____Hours

A

10 hours

B

12 hours

C

18 hours

D

24 hours

Question 35 1 Marks

What is termed as the quantity of matter contained in a body?

A

Density

B

Volume

C

Mass

D

Specific gravity

Question 36 1 Marks

What is the force with which a body is attracted by the earth towards its centre?

A

Mass

B

Weight

C

Volume

D

Density

Question 37 1 Marks

What is called mass per unit volume of a substances?

A

Mass

B

Weight

C

Density

D

Volume

Question 38 1 Marks

What is called the ratio between the density of a substances density of water at 4 Degree Centigrade?

A

Density

B

Specific gravity

C

Mass

D

Weight

Question 39 1 Marks

What is the density of aluminium?

A

2.7 g/cm3

B

3.7 g/cm3

C

4.7 g/cm3

D

5.7 g/cm3

Question 40 1 Marks

Wha is the mass if the density of a body is 7.6 g/cm3 and its volume is 25 cm3?

A

190 grams

B

200 grams

C

210 grams

D

220 grams

Question 41 1 Marks

What is the specific gravity of the solid, if density of the solid is 19.5 g/cm3?

A

8

B

18.5

C

19

D

19.5

Question 42 1 Marks

What is the density (r) in g/cm3 of an iron cube, if it weighs (W) 4.8 kg and volume (V) is 640 cm,3?

A

6.6 g/cm3

B

6.9 g/cm3

C

7.2 g/cm3

D

7.5 g/cm3

Question 43 1 Marks

What is the volume (V) of mercury in cm3, if mass (m) of mercury is 1 kg and density (r) is 13.6 g/cm3?

A

73.53 cm3

B

73.43 cm3

C

73.33 cm3

D

73.23 cm3

Question 44 1 Marks

What is the mass in gram, if a force of 15 dyres acting on a mass m producing an acceleration of 2.5 cm/sec2?

A

9 grams

B

8 grams

C

7 grams

D

6 grams

Question 45 1 Marks

What is the specific gravity of the metal, if the piece of metal weighs 150 grams in air and 125 grams in water?

A

6

B

10

C

15

D

25

Question 46 1 Marks

What is the volume of mercury in cm3, if the mass (m) of mercury is 136 grams (g) and density (r) of mercury is 13.6 g/cm3?

A

136 cm3

B

13.6 cm3

C

10.6 cm3

D

10.0 cm3

Question 47 1 Marks

What is the block weighs (W) in kg, if volume (V) is 320 cm3 and density 8.9 g/cm3?

A

2.948 kg

B

2.848 kg

C

2.648 kg

D

2.448

Question 48 1 Marks

What is the specific gravity of the metal, if the weighs 6.5 kgf in air and 3.5 kgf in water?

A

6.166

B

3.166

C

2.166

D

1.166

Question 49 1 Marks

What is the weight force of a car has a mass of 800 kg?(Take g = 9.81m/sec)

A

7848 Newton

B

7748 Newton

C

7847 Newton

D

7487 Newton

Question 50 1 Marks

Which one is non-metal?

A

Mercury

B

Graphite

C

Brass

D

Iron

Question 51 1 Marks

Which metal contains iron as a major content?

A

Brass metal

B

Bronze metal

C

Zinc

D

Ferrous metal

Question 52 1 Marks

What is the name of the metal which do not contain iron?

A

Ferrous metals

B

Non-ferrous metals

C

Insulating metals

D

Non-Insulating metals

Question 53 1 Marks

Which one of the following properties is the mechanical properties of metal?

A

Fusibility

B

Ductility

C

Corrosion

D

Structure

Question 54 1 Marks

Which is brittle metal?

A

Cast iron

B

Steel

C

Mild steel

D

Alloy steel

Question 55 1 Marks

Which mechanical property of a metal offers resistance to elastic deformation in a cutting tool?

A

Ductility

B

Malleability

C

Hardness

D

Toughness

Question 56 1 Marks

Which property of material enables to formation of permanent deformation without fracture?

A

Elasticity

B

Plasticity

C

Ductility

D

Brittleness

Question 57 1 Marks

Which property of metal has its power of returning to its original shape after the applied force is released?

A

Malleability

B

Tenacity

C

Elasticity

D

Plasticity

Question 58 1 Marks

Which property of a metal possessed by it melts when heat is applied?

A

Conductivity

B

Malleability

C

Fusibility

D

Tenacity

Question 59 1 Marks

Which alloy used in electric lamp as filament?

A

Cobalt

B

Vanadium

C

Tungsten

D

Silicon

Question 60 1 Marks

What metals contained in brass alloy?

A

Copper and aluminium

B

Copper and lead

C

Copper and zinc

D

Copper and tin

Question 61 1 Marks

Which cast iron cannot be welded?

A

Grey cast iron

B

White cast iron

C

Malleable cast iron

D

Nodular cast iron

Question 62 1 Marks

Which metal cannot be forged?

A

Alloy steel

B

Mild steel

C

Steel

D

Cast iron

Question 63 1 Marks

Which metal is widely used for making casting of machinery parts?

A

Grey cast iron

B

White cast iron

C

Malleable cast iron

D

Wrought iron

Question 64 1 Marks

Which furnace is used to get pig iron from iron ore?

A

Mild steel - Rever battery

B

Electric furnace

C

Blast furnace

D

Cupola

Question 65 1 Marks

What is the name of furnace to obtained cast iron?

A

Cupola

B

Mild steel - Blast furnace

C

Steel - Rever battery

D

Alloy metal - Electric furnace

Question 66 1 Marks

What is the other name of low carbon steel?

A

Low alloy steel

B

High alloy steel

C

High speed steel

D

Mild steel

Question 67 1 Marks

What is the carbon percentage in medium carbon steel?

A

0.05% to 0.15%

B

0.15% to 0.25%

C

0.25% to 0.5%

D

0.5% to 1.5%

Question 68 1 Marks

What is the carbon percentage in low carbon steel?

A

0.02% to 0.03%

B

0.15% to 0.25%

C

0.25% to 0.50%

D

0.50% to 1.50%

Question 69 1 Marks

What is the carbon percentage in high carbon steel?

A

0.02% to 0.03%

B

0.15% to 0.25%

C

0.25% to 0.50%

D

0.50% to 1.50%

Question 70 1 Marks

What is the ore of aluminium?

A

Hematite

B

Mallatite

C

Bauxite

D

Lemonite

Question 71 1 Marks

Which property of a metal enables it by which it can be drawn out into wires under tension without rupture?

A

Ductility

B

Malleability

C

Hardness

D

Brittleness

Question 72 1 Marks

Which among the following is an insulator?

A

Copper

B

Aluminium

C

Silver

D

Mica

Question 73 1 Marks

Which rubber is used as insulator for power cables and control wires?

A

Butyl

B

Hypalone

C

Silicon

D

Nitrite butadiene

Question 74 1 Marks

Which alloy steel is used to make permanent magnets?

A

Silicon steel

B

Manganese steel

C

Vanadium steel

D

Cobalt steel

Question 75 1 Marks

Which insulator is used in over head lines?

A

Mica

B

Rubber

C

P.V.C

D

Porcelain

Question 76 1 Marks

Which insulating material is used for making switches?

A

Porcelain

B

PVC

C

Bakelite

D

Ebonite

Question 77 1 Marks

What is the name of the property of an insulation that should brake down or puncture on application of high voltage?

A

Di-electric strength

B

Specific resistance

C

Mechanical strenth

D

Non absorption

Question 78 1 Marks

Which alloy steel is using for making precious instrument?

A

Silicon steel

B

Manganese steel

C

Invar steel

D

Vanadium

Question 79 1 Marks

Which steel is used for making files and cold chisel?

A

Low carbon steel

B

Midium carbon steel

C

High carbon steel

D

Stainless steel

Question 80 1 Marks

What is the area of a square whose side is 18 cm?

A

26 cm2

B

36 cm2

C

72 cm2

D

324 cm2

Question 81 1 Marks

What is the diagonal of a square plate whose side is 28 cm?

A

39.29 cm

B

39.39 cm

C

39.49 cm

D

39.59 cm

Question 82 1 Marks

What is the side of a square whose area is 625 mm2?

A

15 mm

B

20 mm

C

25 mm

D

30 mm

Question 83 1 Marks

What is the perimeter of a rectangle whose length and breadth are 20 cm and 18 cm?

A

56 cm

B

66 cm

C

76 cm

D

86 mm

Question 84 1 Marks

What is the area of a rectangle, whose length and breadth are 10cm and 8cm respectively?

A

75 cm2

B

80 cm2

C

85 cm2

D

90 cm2

Question 85 1 Marks

What is the area of a right angled triangle having a base 10 cm and height 5 cm?

A

20 sq.cm

B

25 sq.cm

C

30 sq.cm

D

35 sq.cm

Question 86 1 Marks

What is the primeter of scalene. Triangle having sides of 40mm, 20mm and 28mm?

A

68 mm

B

78 mm

C

88 mm

D

98 mm

Question 87 1 Marks

What is the area of an equilateral triangle of side 450 mm?

A

856.82 cm2

B

866.82 cm2

C

876.82 cm2

D

886.82 cm2

Question 88 1 Marks

What is the area of a circle of diameter 50 cm?

A

1932.5 cm2

B

1942.5 cm2

C

1952.5 cm2

D

1962.5 cm2

Question 89 1 Marks

What is the area of a (A) semicircle whose dia is 20 cm (d)?

A

147.1 cm2

B

157.1 cm2

C

167.1 cm2

D

177.1 cm2

Question 90 1 Marks

What is the cross sectional area of a circular ring of D = 38 mm d = 32mm?

A

320 mm2

B

330 mm2

C

340 mm2

D

350 mm2

Question 91 1 Marks

What is the area of a sector of a circle of radius 5 cm and its angle is 96 Degree?

A

20.39 cm2

B

20.93 cm2

C

20.89 cm2

D

20.98 cm2

Question 92 1 Marks

What is the area of an ellipse if the major and minor axes are 5 cm and 3 cm respectively?

A

27 cm2

B

37 cm2

C

47 cm2

D

57 cm2

Question 93 1 Marks

Find the total surface area of cube whose side is 25 cm.

A

3740 cm2

B

3745 cm2

C

3750 cm2

D

3755 cm2

Question 94 1 Marks

Find the total surface area of a cast iron bar whose length, width and height are 20m, 15m and 12m.

A

1340 m2

B

1440 m2

C

1540 m2

D

1640 m2

Question 95 1 Marks

What is the formula for total surface area of a cylinder?

A

2 Pi r (h + r)

B

Pi r (h + r)

C

Pi rh

D

2 Pi rh

Question 96 1 Marks

What is the volume of a rectangular tank of 30 m length, 20m width and 10m height?

A

5900 m3

B

6000 m3

C

6100 m3

D

6200 m3

Question 97 1 Marks

What is volume of the cylinder whose radius is 7 cm and height 12 cm?

A

1842 c.c

B

1844 c.c

C

1846 c.c

D

1847 c.c

Question 98 1 Marks

What is the volume of sphere of radius 7 cm?

A

1436 cm3

B

1463 cm3

C

1346 cm3

D

1636 cm3

Question 99 1 Marks

What is the formula for finding volume of a hollow cylinder having outer radius 'R' inner radius 'r' and height 'h'?

A

Pi (R2 - r2)h

B

Pi/3 (R2 - r2) h

C

2/3 Pi (R2 - r2) h

D

4/3 Pi (R2 - r2)h

Question 100 1 Marks

What is the capacity of a conical tank of radius 2 m and height 5m?

A

11 m3

B

21 m3

C

31 m3

D

41 m3

Question 101 1 Marks

How many liters of water a cylindrical tank of radius 75 cm and height 100 cm can hold?

A

1766.25 liters

B

1767.25 liters

C

1768.25 liters

D

1769.25 liters

Question 102 1 Marks

What is the total surface area of a cylinder having radius 2 metres and height 5 metres?

A

86 sq.metre

B

88 sq.metre

C

90 sq.metre

D

92 sq.metre

Question 103 1 Marks

Find the curved surface area of a cylinder 10 cm dia and 20 cm height?

A

620 cm2

B

628 cm2

C

630 cm2

D

638 cm2

Question 104 1 Marks

What is the formula for speed?

A

Distance covered/Time

B

Change in velocity/Time

C

Distance in definite direction /Time

D

Change in momentum/Time

Question 105 1 Marks

What is the unit of speed?

A

Metre/second

B

Metre/second2

C

Metre/minute

D

Metre/hour

Question 106 1 Marks

What is the formula for velocity?

A

Distance covered/Time

B

Displacement/Time

C

Change in velocity/Time

D

Change of momentum/Time

Which machine converts mechanical energy into electrical energy?

Which is the unit of current?

Which is the unit of resistance?

What is the flow of electrons in any conductor?

Which property of a substance is opposing the flow of electric current?

Which is very good conductor?

Which is mineral insulator

What is the total resistance if three resistances of 3 ohms, 9 ohms and 5 ohms are connected in series?

What is the total resistance if two resistances of 4 ohms and 6 ohms are connected in parallel?

Which is same in series connection of resistors in a circuit?

Which law states that at constant termperature the current passing through a closed circuit is directly proportional to the potential difference and inversely proportional to the resistance?

What is the resistance? <br> I = 11.5 Amps <br> V = 380 Volts <br> R = _______Ohms

What is the current? <br> R = 50 Ohms <br> 220 Volts <br> I =______Amps

What is the voltage? <br> R = 250 Ohms <br> I = 0.44 Amps <br> V = _____Volts

Which statement is correct according to ohm's law?

What is the filament resistance if a 6 volt bulb draws a current of 0.5 Amps?

How much watt second in 1 watt hour?

What is the power if an emf of one volt causes a current flow of 1ampere?

Which is equal to electric power?

How much power does it consumes if an electric heater draws a current of 10 amps at 200 volts?

What is the resistance of an electric iron if the rating of electric iron is 220 V and 500 watts?

What is the voltage of the immersion heater? <br>P = 500 watts <br> I = 2.27 Amps <br> V = ______Volts

What is the unit of intensity of magnetic field?

Which law states about electromagnetic induction?

What is the formual for induced emf?

What does EMF stands for?

Which is the example for statically induced emf?

Which is the example for dynamicallly induced Emf?

Which is the unit electrical power?

What is the current Flow in the bulb? <br> P = 550 watts <br> R = 22 Ohms <br> I = ______Amps

What is the power required? <br> I = 0.455 Amps <br> R = 484 Ohms <br> P = _____Watts

What is the rated power if an adjustable resistor bears the following label 1.5 k ohms/ 0.08A?

How much voltage will be required to illuminate a 40 watts fluorescent lamp draws a current of 0.10 amperes?

How many hours will take for a 100 watts bulb to consume 1 kwh energy? <br> W = 1 Kwh <br> P = 100 Watts <br> t = _____Hours

What is termed as the quantity of matter contained in a body?

What is the force with which a body is attracted by the earth towards its centre?

What is called mass per unit volume of a substances?

What is called the ratio between the density of a substances density of water at 4 Degree Centigrade?

What is the density of aluminium?

Wha is the mass if the density of a body is 7.6 g/cm<sup>3</sup> and its volume is 25 cm<sup>3</sup>?

What is the specific gravity of the solid, if density of the solid is 19.5 g/cm<sup>3</sup>?

What is the density (r) in g/cm3 of an iron cube, if it weighs (W) 4.8 kg and volume (V) is 640 cm,<sup>3</sup>?

What is the volume (V) of mercury in cm3, if mass (m) of mercury is 1 kg and density (r) is 13.6 g/cm<sup>3</sup>?

What is the mass in gram, if a force of 15 dyres acting on a mass m producing an acceleration of 2.5 cm/sec<sup>2</sup>?

What is the specific gravity of the metal, if the piece of metal weighs 150 grams in air and 125 grams in water?

What is the volume of mercury in cm3, if the mass (m) of mercury is 136 grams (g) and density (r) of mercury is 13.6 g/cm3?

What is the block weighs (W) in kg, if volume (V) is 320 cm3 and density 8.9 g/cm<sup>3</sup>?

What is the specific gravity of the metal, if the weighs 6.5 kgf in air and 3.5 kgf in water?

What is the weight force of a car has a mass of 800 kg?(Take g = 9.81m/sec)

Which one is non-metal?

Which metal contains iron as a major content?

What is the name of the metal which do not contain iron?

Which one of the following properties is the mechanical properties of metal?

Which is brittle metal?

Which mechanical property of a metal offers resistance to elastic deformation in a cutting tool?

Which property of material enables to formation of permanent deformation without fracture?

Which property of metal has its power of returning to its original shape after the applied force is released?

Which property of a metal possessed by it melts when heat is applied?

Which alloy used in electric lamp as filament?

What metals contained in brass alloy?

Which cast iron cannot be welded?

Which metal cannot be forged?

Which metal is widely used for making casting of machinery parts?

Which furnace is used to get pig iron from iron ore?

What is the name of furnace to obtained cast iron?

What is the other name of low carbon steel?

What is the carbon percentage in medium carbon steel?

What is the carbon percentage in low carbon steel?

What is the carbon percentage in high carbon steel?

What is the ore of aluminium?

Which property of a metal enables it by which it can be drawn out into wires under tension without rupture?

Which among the following is an insulator?

Which rubber is used as insulator for power cables and control wires?

Which alloy steel is used to make permanent magnets?

Which insulator is used in over head lines?

Which insulating material is used for making switches?

What is the name of the property of an insulation that should brake down or puncture on application of high voltage?

Which alloy steel is using for making precious instrument?

Which steel is used for making files and cold chisel?

What is the resistance?
<br>
I = 11.5 Amps
<br>
V = 380 Volts
<br>
R = _______Ohms

What is the current?
<br>
R = 50 Ohms
<br>
220 Volts
<br>
I =______Amps

What is the voltage?
<br>
R = 250 Ohms
<br>
I = 0.44 Amps
<br>
V = _____Volts

What is the voltage of the immersion heater?
<br>P = 500 watts
<br>
I = 2.27 Amps
<br>
V = ______Volts

What is the current Flow in the bulb?
<br>
P = 550 watts
<br>
R = 22 Ohms
<br>
I = ______Amps

What is the power required?
<br>
I = 0.455 Amps
<br>
R = 484 Ohms
<br>
P = _____Watts

How many hours will take for a 100 watts bulb to consume 1 kwh energy?
<br>
W = 1 Kwh
<br>
P = 100 Watts
<br>
t = _____Hours