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Wednesday, 14 February 2018

DMRC JE Previous Year Questions Solved | DMRC JE 2018 Mechancial Preparation -Part 1

DMRC JE Previous Year Questions Solved

Match list-I with List-II and select the correct answer
using the codes given below the list:
  List –I   List-II
(Material properties)  (Test to determine properties)
A. Ductility   1. Impact test
B. Toughness   2. Fatigue test
C. Endurance limit   3. Tension test
D. Resistance to penetration   4. Hardness test
Codes:
(1) A3, B2, C1, D4   (2) A4, B2, C1, D3
(3) A3, B1, C2, D4   (4) A4, B1, C2, D3
Concurrent force system is the system when:
(1) Lines of action of all forces pass through a point
(2) Lines of action of all forces are parallel to each other
(3) Lines of action of all forces lie along same line
(4) Lines of action of all forces are not parallel to each
other
A couple is formed when:
(1) Two unequal and unlike parallel force acting on a body
(2) Two unequal and like parallel force acting on a body
(3) Two equal and unlike parallel force acting on a body
(4) Two equal and like parallel force acting on a body





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