2751. VAT is a good example of which kind of tax ?
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A. Ad valorem

B. specific

C. Excise duty

D. Direct

2753. Variables that exercise influence on other variables are called ?
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A. independent variables

B. constants

C. dependent variables

D. none of the above

2755. Vapor compression refrigeration is some what like ____________________?
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A. Rankine cycle

B. reversed Camot cycle

C. none of the above

D. reversed Rankine cycle

E. Carnot cycle

2756. Value of permeability of free space in SI units is___________________?
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A. 4?x10-7 WbA-1m-1

B. 4?x10-8 WbA-1m-1

C. 4?x10-9 WbA-1m-1

D. 4?x10-10 WbA-1m-1

2757. Value of Peclet number = ?, is the representative of___________________?
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A. Complete back mixing

B. Plug flow

C. Eddy diffusivity = 0

D. Laminar flow

2758. Value of Peclet number = 0, is the representative of ____________________?
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A. Eddy diffusivity = 0

B. Laminar flow

C. Complete back mixing

D. Plug flow

2761. Valentia Island is off the coast of which country?
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A. New zealand

B. Ireland

C. Poland

D. Finland

2763. Utilitarian organizations are so named because they ?
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A. serve the practical purposes of their owners

B. produce useful things

C. provide material benefits in exchange for work

D. provide useful services to the community

2764. Using government regulations to force a natural monopoly to charge a price equal to his marginal cost will ?
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A. attract additional firms to enter the market

B. Cause the monopolist to exit the market

C. improve efficieny

D. raise the price of good

2766. User datagram protocol is called connectionless because____________________?
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A. all UDP packets are treated independently by transport layer

B. it sends data as a stream of related packets

C. both A and B

D. none of these

2767. Use of pulverised coal in boiler furnace provides___________________?
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A. Smokeless burning

B. High calorific value

C. Better combustion

D. Less erosion on furnace walls

2768. Use of preheated air for combustion of fuel in the furnace, increases the___________________?
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A. Scale losses of the furnace stock

B. Flame temperature

C. Calorific value of the fuel

D. None of these

2769. Use of packed towers for distillation is generally limited to the____________________?
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A. Multi-component distillation

B. Vacuum distillation

C. Small sizes

D. High pressure operation

2770. Use of molten metal as a coolant in fast breeder reactor helps in_________________?
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A. Rapid heat transfer from the core

B. Breeding neutrons

C. Accelerating the neutrons

D. Accelerating the reaction rate in the core

2771. Use of I-control along with P-control facilitates ?
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A. None of these

B. Reduction of stability time

C. Reduction of offset

D. Elimination of offset
2774. Use of baffles in agitators help in minimising the ______________ tendency?
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A. Swirling

B. Vortexing

C. Both A. & B.

D. Neither A. nor B.

2775. Usability can be measured in terms of_________________?
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A. Intellectual skill to learn the system

B. All of the mentioned

C. Time required to become moderately efficient in system usage

D. Net increase in productivity

2776. USA is the chief exporter of_________________?
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A. Iron Ore

B. Wheat

C. Both of these

D. None of these

2779. US defense attache Col Joseph hall is under investigation due to his involvement in the ________?
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A. Money laundering

B. Violence

C. Drug trafficking

D. Fatal road accident
2780. Urine urobilinogen is absent in_______________?
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A. All of the above

B. Viral hepatitis

C. Hemolytic jaundice

D. Obstructive jaundice
2781. Urinary protein is detected by______________?
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A. Hays test

B. Ehrlichs test

C. Barfoed test

D. Boiling test
2782. Urea is produced by the enzyme_____________?
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A. Uricase

B. Arginase

C. Urease

D. Glutaminase

2785. Urbanism is associated with_____________________?
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A. increase in anomie and alienation

B. extended families

C. Gemeinschaft society

D. public transportation

2787. Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at_______________?
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A. Alwaye (in Kerala)

B. Kalpakkam (in Tamilnadu)

C. Jadugoda (in Jharkhand)

D. Gopalpur coast (in Orissa)

2789. Upper and lower lips are formed from which embryonic processes_____________?
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A. Maxillary mandibular lateral nasal and median nasal

B. Maxillary and median nasal

C. Mandibular and median nasal

D. Maxillary and mandibular

2791. Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?
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A. Do work equal to loss in kinetic energy

B. Do not lose energy on collision

C. Are above the inversion temperature

D. Do not exert attractive force on each other
2792. Unpresented checks also referred as____________?
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A. Uncredited checks

B. Bounced checks

C. Outstanding checks

D. Uncollected checks

2793. Unmyelinated fibres differ from myelinated fibers in that they ______________?
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A. Have increased excitability

B. Have no power of regeneration

C. Have no association of Schwann cells

D. Have to nodes of Ranvier
2794. Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
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A. specific heat at constant pressure

B. ratio of two specific heats

C. specific heat at constant volume

D. unity.

E. gas constant
2797. Unit of molal diffusivity is____________________?
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A. cm2/sec gm . mole

B. gm moles/cm. sec

C. gm moles/cm2. sec

D. gm moles/cm2 . sec

2798. Unit of force in (SI) is __________?
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A. Newton

B. Meter

C. None of these

D. Kilogram

2799. Unit for quantity of electricity is_____________?
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A. joule

B. watt

C. ampere-hour

D. coulomb
2800. Unipolar modulation is generally used in____________?
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A. DC DC converters

B. AC AC converters

C. AC DC converters

D. DC AC converters

Mcqs and online quiz for preparation:

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Federal Public Service Commission(FPSC):

FPSC exam is an mcqs based exam conducted for posts in federal government sector, Police services, Foreign Services and administrive servies etc. It checks the ability and skills of candidates in specific area. the weightage of post related subject is heigher in it and every post there are compulsory subject's mcqs as well like pak-study,islamiyat,english but it weightage is round 30% while 60 to 70% mcqs will be field specific. Federal Public Service commission posts are announced on first sunday of a month. so you will need to check their website on every first sunday of the month. www.fpsc.gov.pk is the official website where you can also see syllabus for your specific post as well so you will clearly see which subjects are included in your test and then came here to study and practice all those subjects before going to take your real test. Qualification required for most of the FPSC posts are bachelor's degree passed in 2nd division or grade C.

Provencial Public Service Commission:

There are also provincial public service commission tests for hiring beurocrats

Central Superior Services(CSS):

CSS exam is conducted by FPSC, its a very tough and competitive exam. It consists of round 12 total papers having 1200 total marks. There are 20 mcqs in each paper except essay and mathimatics and these mcqs can be studied on mcqpk.com as we have collected all these mcqs from past papers of css and all other papers and books as per relevant syllabus.

National Testing Service(NTS):

Its completely an mcqs based test, mostly there are 100 mcqs of total 100 marks paper. there are 4 to 5 options for each mcq and you have to pick the right option. There are two types of tests one is Nat (its of students taking admission in college/university) and the other on is GAT which is for postgrade admissions. NTS is the first mcqs based assesment organization that started in 2006. The chances of cheating in this test were very low because they give different type of question paper to each individual that sets closer to eachother in the test hall, But previously there were some leaks of this test on social media before paper time and that's why the paper got canceled due to this reason. Nowadays several other alternatives to NTS also exists like Pakistan testing service (pts), Educational testing service(ets) and Allied Testing Service(ats)

MPT (mcqs base preliminary test):

This is an mcqs test which is mandatory before qualifying for CSS exam. The candidate must pass this test before appearing in the real CSS exam. It all mcqs based test. It consists of total 200 mcqs from subjects like current affairs, pakistan study, islamic studies, everyday science, urdu, english grammer and vocabulary etc. You should prepare your self for this exam exactly like you are preparing for css, although its not the real CSS but later you will be giving CSS exam as well after passing this one. Here on mcqpk.com lots of mcqs are available for all these subjects and we have taken them from past papers and relevant subjects in order to make preparation easy for someone. you also can take the test here for free once you study so that you see how much prepare you are. The age limit for this exame is from 21 to 30 years. Previously round 13,008 candidates appear in css exam in which only 398 passed the real CSS exam and this makes a percentage of round 3.06% so normally every year very few people appear in this exam and within these very very small number of people clear this exam.