The shear plane in case of bolts should_________________?
(A) be across threaded portion of shank
(B) be parallel to axis of bolt
(C) be normal to threaded portion of shank
(D) never be across the threaded portion
(D) none of the above
The strap end of a connecting rod of steam engine is joined by_________________?
(A) gib of cotter joint
(B) sleeve and cotter joint
(C) spigot socket cotter joint
(D) knuckle joint
(D) universal coupling
In order to permit the thermal expansion/contraction of tubing, it should be______________?
(A) crimped
(B) honed
(C) flared
(D) bent
(D) none of the above
Silver-based solder is used for__________________?
(A) flaring
(B) brazing
(C) soft soldering
(D) fusion welding
(D) none of the above
Taper on the cotter and slot is provided_________________?
(A) on both the sides
(B) on one side only
(C) on none of the sides
(D) may be provided anywhere
(D) none of the above
The valve rod in a steam engine is connected to an eccentric rod by_________________?
(A) cotter joint
(B) bolted joint
(C) kunckle joint
(D) universal coupling
(D) gib and cotter joint
The draw of cotter need not exceed_________________?
(A) 3 mm
(B) 5 mm
(C) 10 mm
(D) 20 mm
(D) 25 mm
Taper usually provided on cotter is_________________?
(A) 1 in 5
(B) 1 in 10
(C) 1 in 24
(D) 1 in 40
(D) 1 in 50
In oilness bearings________________?
(A) the oil film pressure is generated only by the rotation of the journal
(B) the oil film is maintained by supplying oil under pressure
(C) do not require external supply of lubricant
(D) grease required to be applied after some intervals
(D) none of the above
Oil in journal bearing should be applied at the point where load is________________?
(A) nil or lightest
(B) maximum
(C) average
(D) any one of the above
(D) unpredictable