Which of the following statements are false for belt drives? 1. Belt drive is used in applications having constant speed drive 2. Belt drives can be used at extremely high speeds 3. Belt drives have low power transmitting capacity 4. Belt drives need continuous lubrication

Which of the following is a power transmitting element?

A. Nuts and bolts

B. Sprockets and chains

C. Axles

D. All of the above

Machine elements such as bearings are _________

A. holding type elements

B. supporting type elements

C. power transmitting elements

D. all of the above

The shaft directly connected to the power source is called as ______

A. line shaft

B. counter shaft

C. both a. and b.

D. none of the above

Which of the following is a machine shaft?

A. Line shaft

B. Counter shaft

C. Crankshaft

D. All of the above

Which of the following statements is/are true?

A. Axles are used to transmit power

B. Shafts and axles are rotating elements

C. Shafts transmit power while axles do not transmit power

D. All of the above