slotted for a screw driver and are generally used with a nut

similar to tap bolts except that they are of small size and a variety of shapes of heads are available

used to prevent relative motion between the two parts

none of the above

intersecting and the teeth are curved

non-intersecting and non-parallel and the teeth are curved

non-intersecting and non-parallel and the teeth are straight

none of the above

more

less

zero

none of these

have same value as that of standard specimen

increase

decrease

none of these

first type

second type

third type

any one of these