ENGINEERING CAREER AND STUDY MATERIALS

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

*1 Which one of the following statements is NOT TRUE for a supersonic flow? A) Over a gradual expansion, entropy remains constant B) Over a sharp expansion corner, entropy can increase C) Over a gradual compression, entropy can remain constant D) Over a sharp compression corner, entropy increases *2 A supersonic airplane is expected to fly at both subsonic and supersonic speeds during its whole flight course. Which one of the following statements is TRUE? (A) Airplane will experience less stability in pitch at supersonic speeds than at subsonic speeds (B) Airplane will feel no change in pitch stability (C) Airplane will experience more stability in pitch at supersonic speeds than at subsonic speeds (D) Pitch stability cannot be inferred from the information given *3 Which one of the following criteria leads to maximum turn rate and minimum radius in a level turn flight? A) Highest possible load factor and highest possible velocity B) Lowest possible load factor and lo

1.  As the concentration of point defects in a crystal increases, its configurational entropy A) does not change B) decreases C) increases D) initially increases and then decreases 2. Critical value of the Gibbs energy of nucleation at equilibrium temperature is A) zero B) infinite C) positive D) negative 3. With respect to the matrix of Al-Cu alloys, G-P zones are A) coherent B) incoherent C) semi-coherent D) chemically indistinguishable 4. Which one of the following techniques does NOT require quenching to obtain final case hardness? A) Flame hardening B) Induction hardening C) Nitriding D) Carburizing