Applications in which stresses are encountered in one direction only uses following type of threads____________________?

A. Metric
B. Buttress
C. Acme
D. Square

A bench vice has following type of threads____________________?

A. Metric
B. Square
C. Buttress
D. Acme

Split nut is a locking device in which_________________?

A. One smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B. A slot is cut partly in middle of nut and then slot reduced by tightening screw
C. A hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D. Through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at the other end

The function of cutting oil when threading a pipe is to___________________?

A. Provide cooling action
B. Lubricate the dies
C. Help remove chips
D. All of the above

For tight leakage joints, following type of thread is best suited ____________________?

A. metric
B. buttress
C. square
D. acme

A tube has the following advantage over pipe_________________?

A. Lighter and easier to handle
B. Greater shock absorption
C. Smoother inside walls
D. All of the above

A backing ring is used inside the pipe joint when making a___________________?

A. Butt weld
B. Fillet weld
C. Sleeve weld
D. Socket weld

Castle nut is a locking device in which__________________?

A. One smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B. A slot is cut partly is middle of nut and then slot reduced by tightening a screw
C. A hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D. Through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin spitted and bent in reverse direction at other end

Gear box is used___________________?

A. To produce torque
B. For speed reduction
C. To obtain variable speeds
D. To increase efficiency of system

The piston rod of a steam engine is usually connected to the cross head by means of__________________?

A. Bolted joint
B. Kunckle joint
C. Cotter joint
D. Universal joint