Engineering Engineering MCQS Electrical Engineering MCQS Electrical Engineering MCQs Set 6 Electrical Engineering MCQs Set 5 Electrical Engineering MCQs Set 4 Electrical Engineering MCQs Set 3 Electrical Engineering MCQs Set 2 Electrical Engineering MCQs Set 1 Mechanical Engineering MCQS Mechanical Engineering MCQs Set 4 Mechanical Engineering MCQs Set 3 Mechanical Engineering MCQs Set 2 Mechanical Engineering MCQs Set 1 Chemical Engineering MCQS CHEMICAL Engineering MCQs Set 5 CHEMICAL Engineering MCQs Set 4 CHEMICAL Engineering MCQs Set 3 CHEMICAL Engineering MCQs Set 2 CHEMICAL Engineering MCQs Set 1 Civil Engineering MCQS Civil Engineering MCQs Set 5 Civil Engineering MCQs Set 4 Civil Engineering MCQs Set 3 Civil Engineering MCQs Set 2 Civil Engineering MCQs Set 1 /26 0 votes, 0 avg 8 Created on March 18, 2022 All Engineering MCQS NameEmailPhone Number 1 / 26 ____________________ joint is mostly used for joining pipes carrying water at low pressure ? Nipple Socket Union Bell and spigot 2 / 26 Propulsion of rocket follows from the_________________? Newton’s second law of motion Newton’s third law of motion Law of projectiles Archimedes principle 3 / 26 A psychrometer does not measure the __________________ temperature of moist air? Dew point Dry bulb Wet bulb None of these 4 / 26 Which of the following is an example of stress corrosion ? Season cracking of brass Caustic embrittlement of steel Both A. & B. Neither A. nor (B) 5 / 26 The _________________ of a double acting reciprocating pump as compared to the single acting pump will be almost double ? Flow output Head developed Overall efficiency Weight 6 / 26 With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases? Supercharging Wall temperature Compression ratio Engine speed 7 / 26 Silicon percentage in the silicon steel used for electrical appliances/equipments is_________________? 0.3-0.4 12-14 3-4 20-25 8 / 26 Which of the following is an example of cathodic protection of metals against corrosion ? Painted steel Galvanised iron Case hardened steel Lead lined reactor 9 / 26 An ideal material for making cooking vessels should have___________________? High heat capacity Low heat capacity High thermal conductivity Both B. and C. 10 / 26 Which of the following hardness tests does not measure the indentation hardness of metals and alloys ? Vickers hardness test Shore scleroscope test Brinell hardness test Rockwell hardness test 11 / 26 Secondary hardening in steels arises out of the _____________________? Precipitation of fine alloy carbides at high temperatures Refinement of ferrite grain size by working Decomposition of retained austenite upon heat treatment Precipitation of complex inter-metallic upon heat treatment 12 / 26 An air compressor may be controlled by____________________? throttle control B. clearance control blow-off control any one of the above none of the above 13 / 26 During peak load periods, the best method of controlling compressors is___________________? start-stop motor constant speed unloader relief valve variable speed none of the above 14 / 26 A centrifugal compressor works on the principle of__________________? conversion of pressure energy into kinetic energy conversion of kinetic energy into pres¬sure energy centripetal action generating pressure directly combination of A. and D. 15 / 26 The compressor performance at higher altitude compared to sea level will be _______________? same higher lower dependent on other factors none of the above 16 / 26 Separators in compressor installations are located_____________________? before intercooler after intercooler after receiver between after-cooler and air receiver before suction 17 / 26 Which of following is normally ON device? SIT BJT TRIAC IGBT 18 / 26 Which statement is true ? Reverse recovery time ( trr ) > gate recovery time (tgr) Device turn OFF time ( tq ) > reverse recover time (trr) Circuit turn OFF time > device turn OFF time ( tq ) All of these 19 / 26 Which of following is not a power transistor? IGBTs COOLMOS TRIAC SITS 20 / 26 Typical range of thyristor turn OFF time is______________? 3 – 10 µs 3 – 50 µs 3 – 100 µs 3 – 500 µs 21 / 26 Power transistor are type of___________? B.JTs MOSFETs IGBTs All of above 22 / 26 In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as_______________? English bond double flemish bond zigzag bond single flemish bond 23 / 26 The amount of water used for one kg of distemper is_____________? 0.2 liter 0.4 liter 0.6 liter 0.8 liter 24 / 26 Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below ? Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true 25 / 26 The basic purpose of a retarder in concrete is_____________? to increase the initial setting time of cement paste in concrete to decrease the initial setting time of cement paste in concrete to render the concrete more water tight to improve the workability of concrete mix 26 / 26 Which of the following is the purest form of iron ? cast iron wrought iron mild steel high carbon steel Your score is LinkedIn Facebook Twitter VKontakte 0% Restart quiz Please rate this quiz Send feedback Job Tests PPSC FPSC CSS Entry Tests NTS GAT E-CAT MCAT Other IELTS IQ G.K Subjects-Wise Tests English Lecturer MCQS Geology Lecturer MCQS Statistics Lecturer MCQS Commerce Lecturer MCQS Math Lecturer MCQS History Lecturer MCQS Account Head MCQS Political Science Lecturer Computer Science Lecturer Stenographer MCQS Enginerring Tests Civil Engineering Electrical Engineering Mechanical Engineering Chemical Engineering Management Sciences Tests HRM Auditor Finance Marketing Accounting Economics