The included angle for the British Standard Whitworth thread is 55 degree
3) The included angle for the British Standard Whitworth thread is
Answer is:
55 degree
Explanation:
ISRO Draughtsman-B Mechanical Question Paper - 2015 (Set -1) with Answer Key
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Answer is:
Triangles
Explanation:
Surface finish is specified by the symbol of Triangles
Answer is:
Spindles of bench vices
Explanation:
Square threads are usually found on spindles of bench vices
Answer is:
upper deviation is zero
Explanation:
A basic shaft is one whose Upper deviation is zero
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 and of a shaft, it is represented by es.
Lower Deviation: It is the algebraic difference between the minimum size and the basic size.
Answer is:
Lapping
Explanation:
Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine. Lapping process gives best surface finish.
