Related Questions

Compressed dry air is used as the cutting fluid, while machining
A Steel
B Cast iron
C Aluminium
D None of these
In machining metal, cutting force at the cutting edge is measured by a
A Wattmeter
B Dynamometer
C Hydrometer
D Pyrometer
The cutting fluid mostly used for machining steel is
A Water
B Soluble oil
C Dry
D Heavy oils
The cutting fluid mostly used for machining alloy steels is
A Water
B Soluble oil
C Dry
D Sulphurised mineral oil
Turning/machining of __________ usually does not require any cutting fluid.
A Cast iron
B Stainless steel
C Mild steel
D Copper
The cutting speed is maximum while machining _________ with a high speed steel tool.
A Cast iron
B Mild steel
C Brass
D Aluminium
The cutting speed is minimum while machining _________ with a high speed steel tool.
A Cast iron
B Mild steel
C Brass
D Aluminium
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A Higher than the surface of liquid
B The same as the surface of liquid
C Lower than the surface of liquid
D Unpredictable
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform

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