Related Questions

Three valves, when opened individually, can drain the water from a certain tank in 3,4 and 5 minutes respectively . What is the greatest part of the tank that can be drained in one minute by opening just two of valves?
A 7/12
B 4
C 5
D 7
Three valves when opened individually, can drain the water from certain tank in 3, 4 and 5 minutes respectively, What is the greatest part of the tank that can be drained in one minute by opening just two of valves.
A 712
B 12
C 14
D 15
Foot valves provided in pumps are __________ valves.
A Relief
B Three/four way
C Pressure reducing
D Directional control
ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
A hydrogen bomb
B atom bomb
C agnimissile
D fighter aircraft
E None of the above
Instead of valves, the ports are used in case of
A Four stroke I.C. engines
B Two stroke I.C. engines
C V6 engines
D None of these
Diaphragm valves are used for handling __________ fluids.
A Corrosive
B Viscous
C Non-Newtonion
D Solid suspended
Needle valves are generally not used for
A Very large diameter pipes
B High pressure throttling service
C Very accurate flow control
D Smaller sizes of pipe
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If the maximum number of valves that can be closed at the same time are closed which of the following must true?
A R is open
B S is open
C T is open
D Z is open
Immediately after closure of semilunar valves there is
A Isometric relaxation phase
B A decrease in velocity of blood flow in the aorta close to zero
C A decrease in intraventricular pressure upto 10 mm Hg
D Isometric contraction phase
E Protodiastolic phase
Most thermostatic expansion valves are set for a superheat of
A 5°C
B 10°C
C 15°C
D 20°C

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