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Question
In a centrifugal casting method
Options
A. core is made of sand
B. core is made of ferrous metal
C. core is made of non-ferrous metal
D. no core is used
Correct Answer
no core is used
More questions
1. Hot piercing is extensively used for making bolts and nuts.
Options
A. Yes
B. No
Show Answer
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Discuss
Correct Answer: No
2. A Francis turbine is an outward flow reaction turbine.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
3. The negative acceleration is called retardation.
Options
A. True
B. False
Show Answer
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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
Show Answer
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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
Show Answer
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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
Show Answer
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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
Show Answer
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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
Show Answer
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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
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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
Show Answer
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Discuss
Correct Answer: 50 percent
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