Mechanical Engineering MCQs

Page No. 91

Which of the following pipe joints would be suitable for pipes carrying steam_____________?


aflanged


bthreaded


cbell and spigot


dexpansion


View Answer expansion

The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for_________________?


areducing stress concentration


bease of manufacture


csafety


dfullering and caulking



When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads___________________?


acompression


btension


cshear


dcombined loads


View Answer tension

The shear plane in case of bolts should_________________?


abe across threaded portion of shank


bbe parallel to axis of bolt


cbe normal to threaded portion of shank


dnever be across the threaded portion



The strap end of a connecting rod of steam engine is joined by_________________?


agib of cotter joint


bsleeve and cotter joint


cspigot socket cotter joint


dknuckle joint


View Answer gib of cotter joint

In order to permit the thermal expansion/contraction of tubing, it should be______________?


acrimped


bhoned


cflared


dbent


View Answer bent

Silver-based solder is used for__________________?


aflaring


bbrazing


csoft soldering


dfusion welding


View Answer brazing

Taper on the cotter and slot is provided_________________?


aon both the sides


bon one side only


con none of the sides


dmay be provided anywhere


View Answer on one side only

The valve rod in a steam engine is connected to an eccentric rod by_________________?


acotter joint


bbolted joint


ckunckle joint


duniversal coupling


View Answer kunckle joint

The draw of cotter need not exceed_________________?


a3 mm


b5 mm


c10 mm


d20 mm


View Answer 3 mm

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