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RSMSSB Junior Instructor Refrigeration & Air Conditioning Mechanic 2019 Paper Exam Date – 23rd Dec 2019 Duration – 3 hours Efficiency of cooling tower does not depends upon (a) DBT (b) WBT (c) Water flow rate (d) Type of regrigerant Capacity of cooling tower is measured in (a) Tons (b) litres (c) Litres/hour (d) Joule…

Rajasthan ITI Junior Instructor for Electronic Mechanic Trade 2018 Paper RSMSSB Junior Instructor Electronics Mechanic Paper 2018-19 Exam Date 23rd Dec 2019 Duration – 3 hours Which of the following is not a part of electrical cable? (a) Wax (b) Conductor (c) Insulation (d) Bedding Which one of the following electrical cable is a type…

1. Mho relay is usually employed for the protection of a) Short lines only b) Medium lines only c) Long lines only d) Any line Ans: Long lines only 2. A modern power semiconductor device IGBT is combines the characteristics of a) BJT and MOSFET b) FCT and GTO c) SCR and MOSFET d) SCR…

RSMSSB Junior Instructor Mechanic Diesel Engine Paper Date of Exam – 23rd Dec 2019 No. of questions – 150 Duration – 03 hours Diesel Engine Mechanic – 100 questions General Knowledge – 50 questions What is sucked in cylinder in 4-stroke diesel engine during suction storke? (a) Air-Fuel Mixture (b) Air Only (c) Fuel Only…

HPCL/BPCL/IOCL Engineering Assistant Sample Paper – Chemical Engineering 1. Dilute sulfuric acid is handled in vessels made of- (GATE-1989-9.i.a) (a) Stainless steel (b) Brass (c) Lead (d) Cast iron Ans- (c) 2 ACSR (Aluminium Conductor Steel Reinforced) are used as (a) over head transmission lines. (b) super conductors. (c) fuse (d) underground cables. Ans- (a)…

HPCL/BPCL/IOCL Engineering Assistant Model Paper –  Electrical & Electronics Engineering 1. The unit of magnetic flux density is (a) gauss (b) tesla (c) bohr (d) weber/sec Ans- (b) 2. The equation of continuity defines the relation between (a) electric field and magnetic field (b) electric field and charge density (c) flux density and charge density…

HPCL/BPCL/IOCL Engineering Assistant  Model Paper – Mechanical Engineering 1 The temperature of an ideal gas is directly proportional to which of the following? (a) Average translational kinetic energy of the molecules (b) Average velocity of the molecules (c) Average potential energy of the molecules (d) Average momentum of the molecules Ans- (a) 2 Materials which…

HPCL/BPCL/IOCL Engineering Assistant Model Paper – For Civil Engineering   1. When the load line coincides with the centroid of the rivet group, the rivets are subjected to (a) shear only (b) tension only (c) bending only (d) shear as well as tension Ans- (a) 2. An ISMB 500 is used as a beam in…

HPCL/BPCL/IOCL Engineering Assistant Sample Question Paper – For Electrical & Electronics Engineering   1. Removing bypass capacitor across the emitter-leg resistor in a CE amplifier causes (a) increase in current gain. (b) decrease in current gain. (c) increase in voltage gain. (d)decrease in voltage gain. Ans- (d) 2. When a step-input is given to an…

HPCL/BPCL/IOCL Engineering Assistant Model Paper – For Electrical Engineering Q.1 The two windings of a transformer is (A) conductively linked. (B) inductively linked. (C) not linked at all. (D) electrically linked. Ans : B Q.2 A salient pole synchronous motor is running at no load. Its field current is switched off. The motor will (A)…