Student preparing for a multiple-choice competitive exam

Pakistan's MCQ Practice Library for Competitive Exams

mcqpk.com helps students and job candidates practise multiple-choice questions by subject, then build a free test to check what they have learned.

Questions are reviewed over time, but syllabuses and factual answers can change. Always confirm important information with the relevant official source.

Start a practice testHow we review MCQs

Prepare for your exam

FPSCFederal recruitment MCQ preparationPPSCPunjab recruitment test preparationKPPSCKP screening and ability testsNTSNAT and GAT practice guidanceCSS MPTCSS 2027 preliminary preparation

Recently added practice questions

9201. Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an__________________?
comments icon0

A. Annealing furnace

B. Steam boiler

C. Salt bath furnace

D. Blast furnace

9202. Heat transfer rate to the stock/charge in the furnace does not depend upon the________________?
comments icon0

A. Size of the furnace

B. Emissivity of the refractory walls

C. Thickness of the stock

D. Use of waste heat recovery equipments
9203. Heat transfer in liquid and gases takes place by_____________________?
comments icon0
A. convection

B. radiation

C. conduction and convection

D. convection and radiation

E. conduction

9204. Heat transfer co-efficient (h) for a fluid flowing inside a clean pipe is given by h = 0.023 (K/D) (DV?/?)0.8 (CP.?/k)0.4. This is valid for the value of NRe equal to_______________?
comments icon0
A. > 10000

B. 4000

9205. Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is_______________?
comments icon0

A. 0.4

B. 0.2

C. 0.6

D. 0.8

9206. Heat pump_______________________?
comments icon0

A. Accomplishes only space heating in winter

B. Accomplishes only space cooling in summer

C. Accomplishes both A. and B

D. Works on Carnot cycle

9207. Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around ______________ cm/hr?
comments icon0

A. 20

B. 2.5

C. 10

D. 0.5

9208. Heat of transition is the heat evolved or absorbed, when a substance is converted from_________________?
comments icon0

A. Solid to liquid

B. One allotropic form to another allotropic form

C. Vapor to solid

D. Vapor to liquid

9209. Heat is generated in a nuclear reactor (thermal) by_________________?
comments icon0

A. Absorption of neutrons in uranium atoms

B. Fission of U-235 by neutrons

C. Fusion of atoms of uranium

D. Combustion of a nuclear fuel e.g. uranium

9210. Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1F is called the________________?
comments icon0

A. Sensible heat

B. Specific heat

C. Humid heat

D. Latent heat

9211. Heat hardening is the process done at_______________?
comments icon0

A. Heating 750C and slowly cooling to zero degree

B. Heating quickly upto 450C followed by sudden quenching

C. Heating at 750C and then quenching to room temperature

D. Heating upto 250C for 15 to 30 min
9212. Heat flux through several resistances in series in analogous to the current flowing through several_____________________?
comments icon0

A. Capacitors in series

B. Resistances in series

C. Resistances in parallel

D. None of these

9213. Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because___________________?
comments icon0
A. Radiation becomes important

B. Sub-cooled boiling occurs

C. Conduction becomes important

D. Convection becomes important

9214. Heat flowing from one side to other depends directly on ___________________?
comments icon0

A. k up the wrong case?

9215. Heat control switches are used in__________________?
comments icon0

A. three phase induction motors

B. cooling ranges

C. single phase

D. transformers

9216. Health__________labels have adorned cigarette packages since 1966 in USA.
comments icon0

A. information

B. message

C. note

D. warning
9217. Headquarter of Q-Mobile is in _____________?
comments icon0
A. Karachi

B. Lahore

C. Beijing

D. Shanghai

9218. Head width of 52 kg rail section is________________?
comments icon0
A. 67mm

B. 66.7mm

C. 61.9 mm

D. 72.33 mm

9219. Head hunting is wrong This statement is made from the point of view of______________?
comments icon0

A. ethnic uniformity

B. cultural pride

C. ethnocentrism

D. cultural relativity

9220. Head : Cap : :Finger : __________?
comments icon0

A. Nail

B. Thimble

C. Thumb

D. Glove

How to use MCQPK

  1. Choose a subject from the navigation or subject directory.
  2. Work through the questions and compare each option with the marked answer.
  3. Use the online quiz to practise a mixed or subject-specific set.
  4. Report a doubtful answer so it can be reviewed and corrected.

MCQPK is an independent study resource. It is not affiliated with FPSC, PPSC, KPPSC, NTS or any other testing body.