In cross or regular lay ropes_________________?

A. direction of twist of wires in strands is opposite to the direction of twist of strands
B. direction of twist of wires and strands are same
C. wires in two adjacent strands are twisted in opposite direction
D. wires are not twisted
E. none of the above

In composite or reverse laid ropes___________________?

A. direction of twist of wires in strands is opposite to the direction of twist of strands
B. direction of twist of wires and strands are same
C. wires in two adjacent strands are twisted in opposite direction
D. wires are not twisted
E. none of the above

In hydrodynamic bearings_____________________?

A. the oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease is used for lubrication
E. none of the above

In hydrostatic bearings ____________________?

A. the Oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease is used for lubrication
E. none of the above

In oilness bearings________________?

A. the oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease required to be applied after some intervals
E. none of the above

Machine screws are________________?

A. similar to small size tap bolts except that a greater variety of shapes of heads are available
B. slotted for a screw driver and generally used with a nut
C. used to prevent relative motion be-tween two parts
D. similar to stud
E. none of the above

Jam 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 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 spitted and bent in reverse direction at other end
E. none of the above

Basic shaft is one__________________?

A. whose upper deviation is zero
B. whose lower deviation is zero
C. whose lower as well as upper deviations are zero
D. does not exist
E. none of the above

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
E. none of the above.

Cap screws are___________________?

A. similar to’small size tap bolts except that a greater variety of shapes of heads are available
B. slotted for a screw driver and generally used with a nut
C. used to prevent relative motion be-tween parts
D. provided with detachable caps
E. similar to stud

Basic hole is one_________________?

A. whose upper deviation is zero
B. whose lower deviation is zero
C. whose lower as well as upper deviations are zero
D. does not exist
E. none of the above

A stud________________________?

A. has a head on one end and a nut fitted to the other
B. has head at one end and other end fits into a tapped hole in the other part to be joined
C. has both the ends threaded
D. has pointed threads
E. requires locking nuts

A tap bolt_____________________?

A. has a head on one end and a nut fitted to the other
B. has head at one end and other end fits into a tapped hole in the other part o be joined
C. has both the ends threaded
D. has pointed threads
E. requires locking devices

Cold working________________?

A. increases the fatigue strength
B. decreases the fatigue strength
C. has no influence on fatigue strength
D. alone has no influence on fatigue strength
E. none of the above

Elastic nut is a locking device in which__________________?

A. one small 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 a screw
C. hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is stewed 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 other end
E. none of the above

Ignition lag is__________________?

A. the time taken by fuel after injection (before top dead center) to reach upto auto-ignition temperature
B. time before actual fuel injection and the pump plunger starts to pump fuel
C. time corresponding to actual injection and top dead center
D. time corresopnding to actual ingition and top dead center
E. none of the above