Organisation : U R Rao Satellite Centre, Bengaluru Department of Space
Recruitment Name : Technician-B (Electronics-Mechanic)
Document Type : Question Paper
Year : 2016
Website : https://www.ursc.gov.in/jobs/key.jsp
URSC Technician-B (Electronics-Mechanic) Question Paper
1 Fleming’s left hand rule is applicable to
(a) dc generator
(b) dc motor
(c) alternator
(d) transformer
Related / Similar Question Paper : WBSETCL Question Paper Junior Engineer Electrical Grade-II West Bengal
2 Five cells, each with an e.m.f. of 2V and internal resistance of 0.5Ω are connected in series. The resulting battery will have
(a) An e.m.f. of 2V and an internal resistance of 0.5 Ω
(b) An e.m.f. of 10V and an internal resistance of 2.5 Ω
(c) An e.m.f. of 2V and an internal resistance of 0.1 Ω
(d) An e.m.f. of 10V and an internal resistance of 0.1 Ω
3 The power factor of a D.C. circuit is always
(a) less than unity
(b) unity
(c) greater than unity
(d) zero
4 The direction of current in an AC circuit
(a) is from positive to negative.
(b) is always in one direction.
(c) varies from instant to instant.
(d) cannot be determined.
5 Three 60 W bulbs are in parallel across the 230 V power line. If one bulb burns out
(a) there will be heavy current in the main line
(b) rest of the two bulbs will not light
(c) all three bulbs will not light
(d) the other two bulbs will remain glowing
6 If 120 Coulomb of charge passes through a conductor in 60 sec, the current in the conductor is
(a) 0.5 A
(b) 2 A
(c) 3.33 mA
(d) 0.3 mA
7 If the capacity of a battery is 2800 mAh, it can supply 1.4 Ampere current for
(a) 200 minutes
(b) 100 minutes
(c) 120 minutes
(d) 240 minutes
8 Maximum power is transferred when
(a) Load Impedance > source Impedance
(b) Load Impedance < source Impedance
(c) Load Impedance = source impedance
(d) Load Impedance = 0
9 In a step-up or step-down transformer, electrical power is transferred from one circuit to another without change in
(a) voltage
(b) current
(c) frequency
(d) capacitance
10 The peak value of a sine wave is 200 V. Its average value is
(a) 127.4 V
(b) 141.4 V
(c) 282.8 V
(d) 200V
11 The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA. The power drawn by the circuit is
(a) 12 kW
(b) 22 kW
(c) 32 kW
(d) 64 kW
12 Windows is a
(a) Programming language
(b) Data base
(c) Operating system
(d) Date transfer protocol
13 Which topology is used for a central Network controller
(a) Star
(b) Mesh
(c) Ring
(d) Point to Point
14 A forward potential of 10V is applied to a Si diode. A resistance of 1 KΩ is in series with the diode. The current through the diode is
(a) 10 mA
(b) 9.3 mA
(c) 0.7 mA
(d) 0 mA
15 A transistor has a typical value of β = 200 , If the collector current is 15 mA, then base current will be
(a) 0.75 mA
(b) 0.3 mA
(c) 0.075 mA
(d) 7.35 mA
16 Which of the following option is true for FET ?
(a) bi-polar
(b) low input impedance
(c) Is a current controlled device
(d) operates with majority carriers
17 The efficiency of a class B push-pull amplifier is
(a) 90-95%
(b) 95-100%
(c) 60-65%
(d) 75-80%
18 An Op-amp as a voltage follower has a voltage gain of
(a) Infinity
(b) Zero
(c) Unity
(d) Less than unity
19 Which of following is a resistive component
(a) LED
(b) Photo diode
(c) LDR
(d) SCR
20 When the diode is forward biased, it is equivalent to
(a) An off switch
(b) An On switch
(c) A high resistance
(d) A high capacitance
Instructions to the Candidates
1. The question paper is in the form of test booklet. All candidates will be assessed on identical questions.
2. Read the instructions on the OMR sheet carefully. Use only Ball Point Pen (Black or Blue) for writing/ shading/ bubble on OMR sheet and marking your answers.
3. A separate OMR answer sheet with carbon impression is provided to all the candidates for answering. On completion of the test tear the OMR Answer sheet along the perforation mark at the top and handover the original OMR answer sheet to the invigilator and retain this duplicate copy with you.
4. Each objective question is provided with a text and/or figures wherever applicable with multiple answer choices (a), (b), (c) and (d). Only one of them is correct.
5. All objective type questions carry equal marks of THREE for a correct answer, ZERO for no answer and MINUS ONE for wrong answer. Multiple answers for a question will be regarded as a wrong answer.
6. Question booklets have been marked with A or B or C or D on the right hand top corner, which is mandatory to be written on the OMR sheet in the box and bubble appropriately, failing which, the answer sheet will not be evaluated.
7. Space available in the booklet could be used for rough work, if required. No separate sheet will be provided.
8. Before signing the attendance sheet, the candidate should write the Booklet Code in the attendance sheet. Candidates should sign against THEIR names only.
9. At the end of the test (1) Written test Call Letters(s) with photograph pasted on it (2) Original OMR Answer Sheet and (3) Question Paper shall be returned to the Invigilator and shall not be carried by the candidate under any circumstances.
Download Question Paper
Question Booklet-A : https://www.pdfquestion.in/uploads/pdf2024/42947-q.pdf
Answer Key : https://www.pdfquestion.in/uploads/pdf2024/42947-a.pdf