Machine Design
Basic hole is one

Whose lower deviation is zero
Whose lower as well as upper deviations are zero
Does not exist
Whose upper deviation is zero

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Which of the following statement is wrong for a connecting rod?

The most suitable section for the connecting rod is T-section
If Ixx < 4 Iyy, the buckling will occur about X-axis
The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy
If Ixx > 4 Iyy, the buckling will occur about Y-axis

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Which of the following statement is correct regarding power screws?

Both (A) and (B)
The efficiency of Acme (trapezoidal) thread is less than that of a square thread
The efficiency of a self locking screw can not be more than 50%
If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50%

ANSWER DOWNLOAD EXAMIANS APP