ENGINEERING CAREER AND STUDY MATERIALS

1.  The woman in the cartoon has found the man’s ‘private heartache’ a. confusing. b. intriguing. c. distressing. d. uninteresting. Answer:  d. uninteresting. 2. The woman suggests that, for a first date, the man has a. lacked generosity. b. revealed too much about himself. c. been too reserved. d. chosen an inappropriate venue. Answer:  b. revealed too much about himself.

1. Which of the following metals cannot be produced by aqueous electrolysis? (A) Zinc (B) Copper (C) Gold (D)  Aluminium Answer: (D)  Aluminium 2. The carbon content of low carbon, medium carbon and high carbon steel are respectively. (A) (0-0.1)%; (0.1 – 0.4)% and (0.4 – 1.8)% (B) (0.25-0.4) %; (0.4 – 0.7)% and (0.7 – 1.7)% (C)  Upto 0.25%; (0.25-0.65)% and (0.65 – 1.7)% (D) None of these Answer: (C)  Upto 0.25%; (0.25-0.65)% and (0.65 – 1.7)% 3. Fracture stress for a brittle material having a crack length of 1 µm is 200 MPa. Fracture stress for the same material having a crack length of 4 µm is (A) 200 MPa  (B) 150 MPa (C) 100 MPa (D) 50 MPa

1. The insulation between the commutator systems is- a) Glass (b) Bakelite (c) Mica  (d) Wood Answer: (c) Mica  2.What will be total emf, if 4 cell of 1.5V each are connected in series - a) 3V b) 9 v c) 6V d) 0.375V Answer: c) 6V 3.Winding of armature of motor, the wire used is- a) Copper wire b) fuse wire c) aluminium wire d) super enameled insulated copper wire

Question: Function of Choke in the fluorescent tube circuit is to - (a)Suppress the starting surge (b) Reduce the starting current               (c) Reduce the flickering (d) Initiate the arc and stabilize it Answer:  (d) Initiate the arc and stabilize it

Question: The main function of a Starter is- (a) To limit the rush current at starting (b) to start the counting of time of motor running (c) To developed high starting torque (d) to bring motor quickly to full speed Answer: (a) To limit the rush current at starting

Question: I.E. Rule’s for ___________________ Options; (a) For safety and security  (b) for better power generating (c) both of them   (d) none Answer:  (a) For safety and security 

Question: Value of Power factor lies between_____________________ Options: (a) +1 to -1 (b)+2 to -2 (c) 0 to 1 (d) none of these Answer:  (c) 0 to 1