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Worksheets

ROUND - 2

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Flywheel is used to:

a)

Increase power

b)

Reduce friction

c)

Store energy

d)

Increase speed

2.

The first law of thermodynamics is based on:

a)

Energy conservation

b)

Momentum conservation

c)

Entropy principle

d)

Heat transfer

3.

Fatigue failure occurs due to:

a)

Sudden load

b)

Static load

c)

Repeated cyclic load

d)

High temperature

4.

Thermal conductivity is a measure of:

a)

Heat storage

b)

Heat transfer ability

c)

Temperature

d)

Heat generation

5.

Governor controls:

a)

Load

b)

Speed

c)

Pressure

d)

Temperature

6.

Laminar flow usually occurs at Reynolds number less than:

a)

1000

b)

2000

c)

3000

d)

4000

7.

Which alloy is commonly used for cutting tools?

a)

Brass

b)

Bronze

c)

High-speed steel

d)

Cast iron

8.

Poisson’s ratio is the ratio of:

a)

Longitudinal strain to lateral strain

b)

Lateral strain to longitudinal strain

c)

Stress to strain

d)

Shear stress to shear strain

9.

Which test is used to determine hardness?

(a)  

10.

Which of the following is a closed system?

a)

Steam turbine

b)

Pump

c)

Piston–cylinder device

d)

Nozzle