83) Which one of the following bond is most commonly used in grinding wheel?

Answer is:

Vitrified bond

Which one of the following bond is most commonly used in grinding wheel?

KPSC ITI JTO Fitter Question Papers - 2018 with Answer Key

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84) Which of the following letters represents a grinding wheel of medium grade?

Answer is:

N

Which of the following letters represents a grinding wheel of medium grade?

85) Feeler gauges are used to check the

Answer is:

gap between the mating parts

86) The algebraic difference between the minimum limit and the basic size is called

Answer is:

lower deviation

Explanation:

Algebraic difference between a size and a corresponding basic size is called deviation. Limit deviations are upper and lower deviations. Algebraic difference of actual size with basic size is called actual deviation.
Upper Deviation: It is the algebraic difference between the maximum size and the basic size.
The upper deviation of a hole is represented by a symbol ES (Ecart Superior) and of a shaft, it is represented by es.
Lower Deviation: It is the algebraic difference between the minimum size and the basic size. The lower deviation of a hole is represented by a symbol EI (Ecart Inferior) and of a shaft, it is represented by ei.