Mechanical Engineering MCQs

Page No. 102

Solids and liquids have___________________?


aone value of specific heat (ft) two values of specific heat

✓


bthree values of specific heat

✖


cno value of specific heat

✖


done value under some conditions and two values under other conditions

✖



The index of compression n tends to reach ratio of specific heats y when____________________?


aflow is uniform and steady

✖


bprocess is isentropic

✖


cprocess is isothermal

✖


dprocess is isentropic and specific heat does not change with temperature

✓



The term N.T.P. stands for________________________?


anominal temperature and pressure

✖


bnatural temperature and pressure

✖


cnormal temperature and pressure

✓


dnormal thermodynamic practice

✖



In an isothermal process, the internal energy of gas molecules________________?


aincreases

✖


bdecreases

✖


cremains constant

✓


dmay increase/decrease depending on the properties of gas

✖


View Answer remains constant

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________?


a80°C

✖


b0°C

✓


c40°C

✖


d20°C

✖


View Answer 0°C

One watt is equal to__________________?


a1 Nm/s

✓


b1 N/mt

✖


c1 Nm/hr

✖


d1 kNm/hr

✖


View Answer 1 Nm/s

For which of the following substances, the gas laws can be used with minimum error_________________?


adry steam

✖


bwet steam

✖


csaturated steam

✖


dsuperheated steam

✓


View Answer superheated steam

The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?


a29.27 kgfm/mol°K

✖


b8314kgfm/mol°K

✖


c848kgfm/mol°K

✓


d427kgfm/mol°K

✖


View Answer 848kgfm/mol°K

Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?


aspecific heat at constant pressure

✖


bspecific heat at constant volume

✖


cratio of two specific heats

✖


dgas constant

✓


View Answer gas constant

For which of the following substances, the internal energy and enthalpy are the functions of temperature only____________________?


aany gas

✖


bsaturated steam

✖


cwater

✖


dperfect gas

✓


View Answer perfect gas

Goto Page No.

Page 102 of 190

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan