# The valve rod in a steam engine is connected to an eccentric rod by

A. Cotter joint

B. Bolted joint

C. Knuckle joint

D. Universal coupling

**Answer: Option C **

**In nitrated parts, the origins of the fatigue cracks will occur at**

A. Surface

B. Just below the surface

C. Within the core

D. None of the above

**Which of the following statement is correct?**

A. The distance from a point on one thread to the corresponding point on the next thread is called pitch

B. The distance which a screw thread advances axially in one rotation of the nut is called lead

C. In single start threads, lead is equal to pitch

D. All of the above

A. A point on the pitch curve having minimum pressure angle

B. A point on the pitch curve having maximum pressure angle

C. Any point on the pitch curve

D. Any point on the pitch circle

**When a belt drive is transmitting maximum power,**

A. Effective tension is equal to centrifugal tension

B. Effective tension is half of centrifugal tension

C. Driving tension on slack side is equal to centrifugal tension

D. Driving tension on tight side is twice the centrifugal tension

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