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.

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Recently added practice questions

7602. LMTD for counter-flow and parallel flow heat exchanger will be the same, when the_________________?
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A. Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid)

B. Outlet temperature of both the hot and cold fluid are same

C. Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid

D. None of these

7603. LLAMA is the National Animal of which Country?
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A. Bolivia

B. Canada

C. Italy

D. Brazil

7604. Lizard : Reptile : Insects
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A. Tiger : Mammal : Deer

B. Fox : Wolf : Forest

C. Man : Omnivorous : Meat

D. Fly : Insect : Bee

7605. Liz Truss the new UK prime minister belongs to which party?
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A. None of These

B. Labour party

C. Republican party

D. Conservative party
7606. Littles area constitutes______________?
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A. Anastomeses between two branches of facial artery

B. None of the above

C. Anastomeses between two branches of maxillary artery

D. Anastamosis between branch of maxillary artery and the branch of bacial artery
7607. Literary Theory and Criticism________________?
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A. Dryden

B. Dr. Johnson

C. Pope

D. Addison

7609. LISN is a device used to measure conducted emissions. LISN stands for_____________?
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A. Line integrated stored network

B. Line integrated stabilization network

C. Line impedance stabilization network

D. Laser integrated stabilization networking

7612. Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?
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A. Graphite moderated

B. Fast breeder

C. Homogeneous

D. Enriched uranium (3% U-235) fuelled

7613. Liquid levels in autoclaves are measured by ________________?
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A. Differential float type manometer

B. Glass gauge

C. None of these

D. Simple float

7615. Liquid crystal is discovered by __________________?
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A. Fredrack Reinitzer

B. William Crooks

C. Bravis

D. J.J Thomson

7617. Liquefaction of gases cannot be done by___________________?
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A. Exchange of heat with colder stream

B. Adiabatic expansion against a piston or in a turbine

C. Merely compressing it beyond critical pressure

D. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

7618. Lint cotton is a major?
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A. import item

B. cash item

C. export item

D. None of these

7619. Linear polymers are normally_________________?
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A. Having extremely high softening point

B. Thermoplastic

C. Elastometric

D. Thermosetting

7620. Linde gas liquefaction process employs cooling ____________________?
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A. None of these

B. At constant pressure

C. By expansion in an engine

D. By throttling

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  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.

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