Q.82 The amount of water striking the runner of the reaction turbine is controlled by _____.Ans 1. casing2. guide mechanism3. spear arrangement4. draft tubeCorrect Ans Provided: 2
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Q.78 According to _________, the intensity of pressure in a liquid at rest is constant in all directions.Ans 1. Newton’s law2. hydrostatic law3. Pascal’s law4. Boyle’s lawCorrect Ans Provided: 3
Q.68Ans 1. unsteady, 2D, incompressible flow2. steady, 2D, incompressible flow3. steady, 2D, compressible flow4. unsteady, 2D, compressible flowCorrect Ans Provided: 2
Q.60Ans 1. 1-a; 2-d; 3-b; 4-c2. 1-b; 2-d; 3-c; 4-a3. 1-a; 2-c; 3-d; 4-b4. 1-b; 2-c; 3-d; 4-aCorrect Ans Provided: 4
Q.61 In actual air-conditioning applications for R-12 and R-22 refrigerant and operating at a condenser temperature of 40°C and an evaporator temperature of 5°C, the heat rejection factor is about:Ans 1. 2.152. 1.253. 14. 5.12Correct Ans Provided: 2
Q.63 Functionality of nozzle is that,________Ans 1. It produces steam at very low pressure2. It produces steam at very low velocity3. It produces steam jet at very high velocity4. It produces steam jet at very high pressureCorrect Ans ...
Q.65 For the same temperature limit, which of the following cycles has maximum efficiency?Ans 1. Diesel cycle2. Normal Stirling cycle3. Otto cycle4. Carnot cycleCorrect Ans Provided: 4
Q.67 Which one of the following is correct statement about Blade cross sectional fluid flow area from inlet to outlet of a turbine?Ans 1. Constant for impulse turbine and diverging for reaction turbine2. Constant for impulse turbine and ...
Q.59 Which of the following is NOT an example of brittle material?Ans 1. Cast iron2. High carbon steel3. Aluminium4. Ceramic materialsCorrect Ans Provided: 3
Q.66 The evaporation of feedwater at 100°C into dry and saturated steam at 100°C at atmospheric pressure is known as ____________.Ans 1. actual evaporation2. equivalent evaporation3. boiler horsepower4. boiler efficiencyCorrect Ans Provided: 2
