Quiz Questions

Question 1 1 Marks

Which is the formula for am/ an

A

am+n

B

am-n

C

amxn

D

(am)n

Question 2 1 Marks

What are the three consecutive numbers if there sum is 42?

A

11,12,13

B

12,13,14

C

13,14,15

D

14,15,16

Question 3 1 Marks

What is the value of x, if 3 (2x - 4) = -4x + 28 ?

A

4

B

8

C

6

D

12

Question 4 1 Marks

What is called if the length of the solid expands when heated?

A

Linear expansion

B

Superficial expansion

C

Cubical expansion

D

Area expansion

Question 5 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 6 1 Marks

What is the angle of elevation of the top of a light house of 15 m height seen at a point 15 m away from the base?

A

30 Degree

B

45 Degree

C

60 Degree

D

90 Degree

Question 7 1 Marks

What is equal to cos θ?

A

Hypotenuse/Adjacent Side

B

Adjacent Side/Hypotenuse

C

Opposite side/Hypotenuse

D

Hypotenuse/Opposite Side

Question 8 1 Marks

What is the unit of co-efficient of linear expansion?

A

Number / Degree C

B

Number / Degree C / meter length

C

Number / Degree C / mm length

D

Number / Degree C / cm length

Question 9 1 Marks

What is the minimum permissible area of conductor (U/G cable) for three and half cores cable?

A

25 sq.mm

B

50 sq.mm

C

5 sq.mm

D

100 sq.mm

Question 10 1 Marks

What are the various stages of heat treatment?

A

Heating, Cooling and Quenching

B

Quenching, Cooling and Heating

C

Heating, Soaking and Quenching

D

Soaking, Quenching and Cooling

Question 11 1 Marks

What is the area of the circle, if the circumference of the circle is 44cm?

A

128 cm2

B

130 cm2

C

154 cm2

D

129 cm2

Question 12 1 Marks

Which alloy used in electric lamp as filament?

A

Cobalt

B

Vanadium

C

Tungsten

D

Silicon

Question 13 1 Marks

Which one has the highest thermal conductivity?

A

Solid ice

B

Melting ice

C

Water

D

Steam

Question 14 1 Marks

What is the total wattage in a room if 2 tube lights of 50W rating, 2 fans of 80W rating, 2 numbers of light points of 60W rating, one fan point of 60W rating and one 3 pin socket of 100W rating?

A

340 W

B

440 W

C

540 W

D

640 W

Question 15 1 Marks

What is the retardation of a car moving with a velocity of 50 km/hr is brought to rest in 45 seconds?

A

0.40 m/sec2

B

0.30 m/sec2

C

0.20 m/sec2

D

0.10 m/sec2

Question 16 1 Marks

What are fundamental units?

A

Length, Mass, Volume

B

Length, Mass, Time

C

Length, Mass, Area

D

Length, Pressure, Volume

Question 17 1 Marks

What is the formula to find selling price (S.P) if there is a loss?

A

((100)/(100+Profit %))xS.P

B

((100+Profit %)/(100))xC.P

C

((100)/(100-Loss %))xS.P

D

((100-Loss %)/(100))xC.P

Question 18 1 Marks

Which insulator is used in over head lines?

A

Mica

B

Rubber

C

P.V.C

D

Porcelain

Question 19 1 Marks

What is the square root of 529?

A

12

B

23

C

33

D

43

Question 20 1 Marks

What is the total cost to assemble 10 personal computer systems, spares cost as given for one system: 1 TB hard disc Rs.4500/-, Intel i3 mother board Rs.7000/-, SMPS Rs.2500/-, monitor Rs.6000/-, keyboard Rs.1000/-, other material cost (Switches, USB, Cabl

A

Rs.275000/-

B

Rs.250000/-

C

Rs.225000/-

D

Rs.265000/-

Question 21 1 Marks

Which is equal to (a+b)2-(a-b)2

A

2ab

B

3ab

C

4ab

D

5ab

Question 22 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 23 1 Marks

Which one of the following geometrical shape's centre of gravity lies from its base is 1/3 of its height?

A

Square

B

Rhombus

C

Triangle

D

Cone

Question 24 1 Marks

What is the compound interest on a principal of Rs.25000/- after 3 years at the rate of 12% per annum?

A

Rs. 9000

B

Rs.9720

C

Rs.10123.20

D

Rs.10483.20

Question 25 1 Marks

What is the area of the circle if the radius is 10 cm?

A

314 cm2

B

31.4 cm2

C

30.4 cm2

D

3.14 cm2

Which is the formula for a<sup>m</sup>/ a<sup>n</sup>