A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is September 13, 2025 by Admin 30 kJ 54 kJ 84 kJ 114 kJ ✅ The correct answer is option B.
The maximum deflection of a fixed beam carrying a central point load lies at September 13, 2025 by Admin fixed ends centre of beam l/3 from fixed ends none of these ✅ The correct answer is option B.
A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine. September 13, 2025 by Admin same lower higher ✅ The correct answer is option C.
The primary unbalanced force of reciprocating masses is inversely proportional to the crank radius. September 13, 2025 by Admin Yes No ✅ The correct answer is option B.
A moderator September 13, 2025 by Admin absorbs neutrons does not absorb neutrons accelerates neutrons none of these ✅ The correct answer is option B.
A vessel of 4 m3 contains an oil which weighs 30 kN. The specific weight of the oil is September 13, 2025 by Admin 4.5 kN/m3 6 kN/m3 7.5 kN/m3 10 kN/m3 ✅ The correct answer is option C.
The usual value of the point angle of a drill is September 13, 2025 by Admin 70° 100° 118° 130° ✅ The correct answer is option C.
The propulsive power of the rocket is (where v1 = Jet velocity, and v2 = Air-craft velocity) September 13, 2025 by Admin ✅ The correct answer is option A.
In down milling, the thickness of chip is September 13, 2025 by Admin minimum at the beginning of the cut and maximum at the end of the cut maximum at the beginning of the cut and minimum at the end of the cut uniform throughout the cut none of these ✅ The correct answer is option B.
With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will September 13, 2025 by Admin decrease increase remain unchanged depend upon the charac ✅ The correct answer is option A.