In aluminium cylinder blocks, the cylinder liners are made of aluminium ceramic

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Question
In aluminium cylinder blocks, the cylinder liners are made of
Options
A. aluminium
B. ceramic
C. brass
D. cast iron

Correct Answer

cast iron

More questions

2. For minimum work required to compress and deliver a quantity of air by multi-stage compression,
Options
A. the compression ratio in each stage should be same
B. the intercooling should be perfect
C. the workdone in each stage should be same
D. all of the above

3. A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of
Options
A. 75% iso-octane and 25% normal heptane
B. 75% normal heptane and 25% iso-octane
C. 75% petrol and 25% diesel
D. 75% diesel and 25% petrol

4. A process, in which the temperature of the working substance remains constant during its expansion or compression, is called
Options
A. isothermal process
B. hyperbolic process
C. adiabatic process
D. polytropic process

6. Coplaner concurrent forces are those forces which
Options
A. meet at one point, but their lines of action do not lie on the same plane
B. do not meet at one point and their lines of action do not lie on the same plane
C. meet at one point and their lines of action also lie on the same plane
D. do not meet at one point, but their lines of action lie on the same plane

7. The radius of the Mohr 's circle in the given figure is equal to
Options
A. sum of two principal stresses
B. difference of two principal stresses
C. half the sum of two principal stresses
D. half the difference of two principal stresses

8. A thermostatic expansion valve in a refrigeration system
Options
A. ensures the evaporator completely filled with refrigerant of the load
B. is suitable only for constant load systems
C. maintains different temperatures in evaporator in proportion to load
D. none of the above

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