The process of heat transfer from one particle of the fluid to another by the ac

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Home ‣ Mechanical Engineering ‣ Heat Transfer, Refrigeration and Air Conditioning See What Others Are Saying!

Question
The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as
Options
A. conduction
B. free convection
C. forced convection
D. radiation

Correct Answer

forced convection

More questions

1. Hot piercing is extensively used for making bolts and nuts.
Options
A. Yes
B. No

Discuss

Correct Answer: No

2. A Francis turbine is an outward flow reaction turbine.
Options
A. True
B. False

Discuss

Correct Answer: False

3. The negative acceleration is called retardation.
Options
A. True
B. False

Discuss

Correct Answer: True

4. When the spring of a watch is wound, it will possess
Options
A. strain energy
B. kinetic energy
C. heat energy
D. electrical energy

Discuss

Correct Answer: strain energy

5. An alloy of copper, tin and zinc is known as
Options
A. brass
B. bronze
C. gun metal
D. muntz metal

Discuss

Correct Answer: gun metal

6. In electro-chemical machining, the gap between the tool and work is kept as
Options
A. 0.1 mm
B. 0.25 mm
C. 0.4 mm
D. 0.75 mm

Discuss

Correct Answer: 0.75 mm

7. The pressure of steam at throat of a steam nozzle is called critical pressure.
Options
A. Agree
B. Disagree

Discuss

Correct Answer: Agree

8. Which part of the automobile tyre is subjected to greatest flexing action?
Options
A. Bead
B. Side wall
C. Shoulder
D. Tread

Discuss

Correct Answer: Side wall

9. Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.
Options
A. upwards
B. downwards

Discuss

Correct Answer: upwards

10. Parson's reaction turbine is a __________ reaction turbine.
Options
A. 40 percent
B. 50 percent
C. 60 percent
D. 70 percent

Discuss

Correct Answer: 50 percent

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The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as

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