SSC JE Mechanical Engineering 25th May 2014 Shift-1

Instructions

For the following questions answer them individually

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 101


For laminar flow in a pipe, average velocity is equal to:

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 102


Crude oil of kinematic viscosity 2.25 stokes flows through a 20 cm diameter pipe, the rate of flow being 1.5 litres/s. the flow will be

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 103


The power transmitted by a belt is maximum when the maximum tension in the belt compared to centrifugal tension is

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 104


Effort lost in friction in a simple machine is:

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 105


Non uniform ramming of moulding sand may lead to the following casting defect

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 106


A bell Coleman cycle is

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 107


For a centrifugal blower, power consumption is proportional to:

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 108


A reaction turbine (hydraulic) discharge 34 m$$^3$$/s under a head of 8 m and with an overall efficiency of 91%. The power developed in MW is:

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 109


The equivalent evaporation (kg/hr) of a boiler producing 2000kg/hr. of steam with enthalpy content of 2426 kJ/kg from feed water at temp, $$40^\circ C$$ (liquid enthalpy = 168 kJ/kg; enthalpy of vaporization of water at $$100^\circ C$$ = 2258 kJ/kg) is:

Video Solution

SSC JE Mechanical Engineering 25th May 2014 Shift-1 - Question 110


For maximum work output in a two stage expansion gas turbine with perfect, the intermediate pressure (P) has the following relationship with maximum pressure ($$P_1$$) and minimum pressure ($$P_2$$) of the cycle:

Video Solution
cracku

Boost your Prep!

Download App