Tuesday, May 17, 2016

Question Bank (Objective Questions ) for Mid Exam II



1.      Define Impact of Jets?
2.      The force exerted by a jet impinging normally on a stationary fixed plate is __________
3.      The Force exerted by the jet on a stationary curved plate is ____________
4.      The Force exerted by the jet on a stationary inclined plate is _______________
5.      The force exerted by a jet impinging normally on moving fixed plate is __________
6.      The Force exerted by the jet on a moving curved plate is ____________
7.      The Force exerted by the jet on a moving inclined plate is _______________
8.      Define Hydraulic Efficiency of a turbine?
9.      Work done per second by unit weight of water on turbine = _______
10.  Velocity of water in the nozzle in Pelton Wheel is given by V = ____________
11.  The Vane angle (q) at Inlet in Pelton Wheel is __________ degrees.
12.  The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as _____________
13.  A Pelton wheel develops 1750 kW under a head of 90 m while running at 200 rpm and discharging 2500 litres of water per second. The unit power of the wheel is ___________
14.  Turbine preferred for up to 25 m head of water is _________                                       
15.  The turbine preferred for a specific speed of 60 to 300 rpm is __________                   
16.  A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to ________  
17.  Define a Hydraulic Turbine?
18.  Define Unit Speed of Turbine?
19.  Speed Ratio of Pelton Wheel means ______________
20.  Overall Efficiency of a turbine is ________________
21.  Condition for maximum efficiency in Pelton Wheel is ________________
22.  The discharge through a nozzle in Pelton Wheel is given by Q = _______________
23.  The discharge through a Francis Turbine is given by Q = _______________
24.  The discharge through a Kaplan Turbine is given by Q = _______________
25.  Define Centrifugal Pump?
26.  What is Manometric Head?
27.  1 H.P. = _______ Watts
28.  The specific speed of a centrifugal pump, delivering 750 litres of water per second against a head of 15 metres  at 700 rpm is ____________
29.  _________ is the head against which a Centrifugal Pump has to work.
30.  What is Unit Speed?
31.  What is Unit Power?
32.  What is Unit Discharge?
33.  Define Specific Speed of Turbine?
34.  What is the function of Draft Tube?
35.  Define Cavitation?
36.  What is the necessity of Surge Tank?
37.  What is Water Hammer?
38.  What is Multistage Pump?
39.  What are the Dimensionless Numbers used in Model Analysis of Turbine?
40.  What are the Dimensionless Numbers used in Model Analysis of Centrifugal Pump?

No comments:

Post a Comment