ISRO Scientist or Engineer Mechanical 2012
For the following questions answer them individually
ISRO Scientist or Engineer Mechanical 2012 - Question 21
The stress in the rod AB in the pin jointed truss ABCD is
ISRO Scientist or Engineer Mechanical 2012 - Question 22
The number of degrees of freedom for the following mechanism is
ISRO Scientist or Engineer Mechanical 2012 - Question 23
A plate is held by a chain AB through hinge joints. The plate is pulled with a force T as shown in figure. The tension in the chain is given by
ISRO Scientist or Engineer Mechanical 2012 - Question 24
In a turn buckle joint, both mating rods will have
ISRO Scientist or Engineer Mechanical 2012 - Question 25
In flat belt drive, the belt can be subjected to a maximum tension (T) and centrifugal tension $$(T_c)$$. The condition of transmission of maximum power is given by
ISRO Scientist or Engineer Mechanical 2012 - Question 26
The diameter of a soap bubble which has an inside pressure of $$2.5 N/m^2$$ over the atmospheric pressure and a surface tension of 0.0125 N/m is
ISRO Scientist or Engineer Mechanical 2012 - Question 27
Find the loss of head dueto friction in a smooth pipe of rectangular cross section of $$1m \times 0.5m$$ and 10m long. Velocity of flow is 10 m/s and the friction coefficient is 0.01962.
ISRO Scientist or Engineer Mechanical 2012 - Question 28
Whena supersonic flow is admitted into a convergent, the flow will
ISRO Scientist or Engineer Mechanical 2012 - Question 29
Which configuration measures the stagnation pressure?
ISRO Scientist or Engineer Mechanical 2012 - Question 30
The maximum lift in a centrifugal pump would be close to ‘X’ if the pump is handling cold water $$(25^\circ C)$$ from an open tank at sea level with no friction and turbulence loses, where ‘X’ is equal to
