ENGINEERING CAREER AND STUDY MATERIALS

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

1. Which of the following motors is used in tape-recorders ? A) Hysteresis motor B) Capacitor-run motor C) Reluctance motor D) Universal motor 2. To generates a 50Hz frequency, the RPM of a generator is must be A. 1500 B. 3000 C. 750 D. no of the above 3. On which rule the d.c motor works? A. Flemings right hand rule B. Fiemings left hand rule C. Both rules D. None 4. diode is on state__________ A. forward bias B. revers bias C. both 1 and 2 D. none 5. The friction losses in Real Transformers are _________? A.0% B.5% C.25% D.50% 6. carbon is an example of ............ ? A. compound B. mixture C. element

Question # 1. Euler’s formula holds good only for (1) Short columns (2) Long columns (3) Both short and long columns (4) Intermediate columns Question # 2. The vehicle used in case of enamel paints is usually (1) Linseed oil (2) Water (3) Varnish (4) None of the above Question # 3. Closed contours of decreasing values towards their centre, represent a (1) Hill (2) Depression (3) Saddle (4) River bed Question # 4. Maximum bulking of sand is likely to occur at a moisture content of (1) 5% (2) 8% (3) 11% (4) 14% Question # 5. The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground is known as (1) Levelling (2) Centering (3) Orientation (4) Setting Question # 6. Which of the following aggregates gives maximum strength in concrete ? (1) Rounded aggregate (2) Elongated aggregate (3) Flaky aggregate (4) Cubical aggregate Question # 7. Plasticizers and s...

1. In SQL, which of the following is not a DDL command A.RENAME B. GRANT C. REVOKE D. UPDATE 2. A page replacement policy is not necessary for A. Fully associative caches B. Set associative caches C. Directly mapped caches D. Write- through caches 3. Start and Stop bits do not contain any ‘information’ but are used in serial communication for the following A. Error detection B. Synchronization C. Error Correction D. Slowing down the communication 4.  Which of the following features cannot be captured by CFGs A. Syntax of if -then-else statement B. Variable names of arbitrary length C. Whether a variable has been declared before its use D. Syntax of recursive procedures 5. The number of select input lines in a 8- to -1 multiplexer is A.1 B.8 C.256