Related Questions

The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is
A More
B Less
C Same
D More but less than the diameter of bolt
Screws used for power transmission should have
A low efficiency
B high efficiency
C very fine threads
D strong teeth
Set 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 between parts
D Similar to stud
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 between two parts
D Similar to stud
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 between parts
D Provided with detachable caps
Which of the following statement is correct regarding power screws?
A The efficiency of a self locking screw can not be more than 50%
B The efficiency of Acme (trapezoidal) thread is less than that of a square thread
C If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50%
D Both (A) and (B)
Ball bearing type screws are found in following application
A Screw jack
B Aeroplane engines
C Crane
D Steering mechanism
Tube pitch is the __________ of tube diameters and the clearances.
A Sum
B Difference
C Ratio
D None of these
A bicycle has two wheels of 120 cm and 40 cm in diameters. when the large wheel makes 10 revolutions , how many revolutions does the small wheel make in that time?
A 18%
B 24%
C 29%
D 30%
A bicycle has two wheels (one large and one small) of 120 cm and 40 cm in diameters. When the large wheel makes 10 revolutions, how many revolutions does the small wheel make in that time?
A 15
B 20
C 30
D 40

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