SSC JE Mechanical Engineering 2015
For the following questions answer them individually
SSC JE Mechanical Engineering 2015 - Question 161
The efficiency of a centrifugal pump is maximum when its blades are
SSC JE Mechanical Engineering 2015 - Question 162
To avoid cavitation in centrifugal pumps
SSC JE Mechanical Engineering 2015 - Question 163
Loss of energy per unit volume due to friction in case of flow through a pipe at length L and diameter D is expressed as
SSC JE Mechanical Engineering 2015 - Question 164
In an isothermal process, the heat transfer is
SSC JE Mechanical Engineering 2015 - Question 165
A heat engine receives 1000 kJ of heast and produces 600 kJ of work. The amount of hear rejected in kJ and the efficiency percentage of the engine, respectively will be
SSC JE Mechanical Engineering 2015 - Question 166
The efficiency of a Carnot Engine depends on
SSC JE Mechanical Engineering 2015 - Question 167
In case of S.I. engine to have high thermal efficiency of fuel air mixture ratio should be
SSC JE Mechanical Engineering 2015 - Question 168
For the same output, same speed and same compression ratio the thermal efficiency of a two stroke cycle petrol engine as compared to that for stroke cycle petrol engine is
SSC JE Mechanical Engineering 2015 - Question 169
The chemically correct stoicheiometric ratio for petrol is
SSC JE Mechanical Engineering 2015 - Question 170
The mean effective pressure of an Otto cycle is the ratio between
