Question: In a fuel cell, chemical energy is converted into [A]. electrical energy directly. [B]. mechanical energy. [C]. electrical energy and stored therein. [D]. none of these. Answer: Option A Explanation: No answer description available for this question.

Question: Plasma is [A]. a high temperature neutral gas. [B]. nothing but ionised gas. [C]. a source of steady and highest controllable pressure. [D]. formed at very low temperature. Answer: Option B Explanation: No answer description available for this question.

Question: Gantt charts are used for streamlining the [A]. inventory control [B]. production schedule [C]. sales forecasting [D]. quality control Answer: Option B Explanation: No answer description available for this question.

Question: __________ has the highest melting point out of the following. [A]. Tungsten [B]. Zirconium [C]. Molybdenum [D]. Tantalum Answer: Option A Explanation: No answer description available for this question.

Question: Which of the following is the terminology used for the temperature at which the phase changes occur in a metal ? [A]. Critical temperature. [B]. Recrystallisation temperature. [C]. Phase transformation temperature. [D]. Transition temperature. Answer: Option A Explanation: No…

Question: The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress. [A]. yield [B]. proof [C]. ultimate [D]. none of these Answer: Option C Explanation: No answer description available for this question.

Question: __________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical. [A]. Mach [B]. Reynolds [C]. Froude [D]. Weber Answer: Option C Explanation: No answer description available for this question.

Question: The hydraulic radius of a circular pipe of diameter ‘d’ flowing full is [A]. d/4 [B]. d/2 [C]. 2d/3 [D]. d/3 Answer: Option A Explanation: No answer description available for this question.

Question: __________ cycle is the most efficient thermodynamic cycle. [A]. Diesel [B]. Otto [C]. Rankine [D]. Carnot Answer: Option D Explanation: No answer description available for this question.

Question: X-rays are [A]. positively charged. [B]. negatively charged. [C]. neutral. [D]. of higher wavelength than visible light. Answer: Option C Explanation: No answer description available for this question.