81
The value of bulk modulus of a fluid is required to determine
A)
Reynold's number
B)
Froude's number
C)
Mach number
D)
Euler's number
Answer & Solution
Answer: Option
C
82
The specific gravity of an oil whose specific weight is 7.85 kN/m3 , is
A)
0.8
B)
1
C)
1.2
D)
1.6
Answer & Solution
Answer: Option
A
83
The continuity equation is connected with
A)
Open channel/pipe flow
B)
Compressibility of fluids
C)
Conservation of mass
D)
Steady/unsteady flow
Answer & Solution
Answer: Option
C
84
Slip of a reciprocating pump is defined as the
A)
Ratio of actual discharge to the theoretical discharge
B)
Sum of actual discharge and the theoretical discharge
C)
Difference of theoretical discharge and the actual discharge
D)
Product of theoretical discharge and the actual discharge
Answer & Solution
Answer: Option
C
85
Kinematic viscosity is dependent upon
A)
Pressure
B)
Distance
C)
Density
D)
Flow
Answer & Solution
Answer: Option
C
86
Which of the following is dimensionless?
A)
Specific weight
B)
Specific volume
C)
Specific speed
D)
Specific gravity
Answer & Solution
Answer: Option
D
87
In impulse Turbine, energy available at the inlet is in the form of
A)
Potential Energy
B)
Strain Energy
C)
Kinetic energy
D)
None of these
Answer & Solution
Answer: Option
C
88
Slip of a reciprocating pump is negative, when
A)
Suction pipe is short and pump is running at low speeds
B)
Delivery pipe is long and pump is running at high speeds
C)
Suction pipe is short and delivery pipe is long and the pump is running at low speeds
D)
Suction pipe is long and delivery pipe is short and the pump is running at high speeds
Answer & Solution
Answer: Option
D
89
Reynolds number is significant in
A)
Supersonics, as with projectile and jet propulsion
B)
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C)
Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
D)
All of the above
Answer & Solution
Answer: Option
B
90
Froude number is significant in
A)
Supersonics, as with projectile and jet propulsion
B)
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C)
Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
D)
All of the above
Answer & Solution
Answer: Option
C
