5091. The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant.
[A]. Correct
[B]. Incorrect
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✅ The correct answer is option A.
Mechanical Engineering
Prepare with the best Mechanical Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers core topics such as engineering mechanics, thermodynamics, strength of materials, theory of machines, fluid mechanics, heat transfer, manufacturing processes, machine design, and power plant engineering. These Mechanical Engineering multiple-choice questions are designed for students, fresh graduates, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving ability with our updated and comprehensive Mechanical Engineering MCQs.
5092. The different spindle speeds on a lathe form
[A]. arithmetical progression
[B]. geometrical progression
[C]. harmonical progression
[D]. any one of these
✅ The correct answer is option B.
5093. The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.)
[A]. L.A.N
[B]. 2 L.A.N
[C].
[D].
✅ The correct answer is option D.
5094. The unit cells
[A]. contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal
[B]. have the same orientation and their similar faces are parallel
[C]. may be defined as the smallest parallelopiped which could be transposed in three coordinate directions to build up the space lattice
[D]. all of the above
✅ The correct answer is option D.
5095. The material in which the atoms are arranged regularly in some directions but not in others, is called
[A]. amorphous material
[B]. mesomorphous material
[C]. crystalline material
[D]. none of these
✅ The correct answer is option B.
5096. When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a
[A]. lower pair
[B]. higher pair
[C]. self-closed pair
[D]. force-closed pair
✅ The correct answer is option A.
5097. The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the
[A]. pitch circle
[B]. base circle
[C]. pitch curve
[D]. prime circle
✅ The correct answer is option C.
5098. In sheet metal blanking, shear is provided on punches and dies so that
[A]. press load is reduced
[B]. good cut edge is obtained
[C]. warping of sheet is minimised
[D]. cut blanks are straight
✅ The correct answer is option A.
5099. Resilience is the
[A]. energy stored in a body when strained within elastic limits
[B]. energy stored in a body when strained upto the breaking of the specimen
[C]. maximum strain energy which can be stored in a body
[D]. none of the above
✅ The correct answer is option D.
5100. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
[A]. 400 MPa
[B]. 500 MPa
[C]. 900 MPa
[D]. 1400 MPa
✅ The correct answer is option D.