26. What is the image of |z| < 1 under the tranformation w - i + z
27. If u and v are irrotational vectors which of the following is true?
28. When a body of mass moment of inertia I about a given axis is rotated about that axis with an angular velocity w, then the kinetic energy of rotation is:
29. The resultant of two forces each equal to 2 N and acting at right angles is:
30. A ridge formed by the intersection of two sloped surfaces having an exterior angle greater than 180° is called :
31. If magnetic bearing of sun at noon at a place in southern hemisphere is 150°. then magnetic declination at that place is :
32. When (H) is the difference in heights between the extremities of a chain length (L), then the correction for slope required is :
33. An engine of 105 kW capacity requires 10 kW to start the engine. Its mechanical efficiency is:
34. In the vapour compression cycle the condition of refrigerant is superheated vapour :
35. Specific speed of a turbine depends upon :
36. Which of the following manufacturing processes be likely to produce the strongest parts?
37. Climb milling is preferred while machining since :
38. Two resistors of 80 Ω and 120 Ω are connected in parallel. If the current through 80 Ω resistor is 7 A, calculate the total current flowing through the circuit:
39. The unit of magneto motive force is :
40. Three equal impedances are first connected in star across a balanced three phase supply. If connected in delta across the same supply :
41. The power factor of an alternator is determined by its :
42. A synchronous machine is called doubly excited machine because:
43. Temperature compensation of a 18 V zener diode can be achieved by connecting it in:
44. The transformer utilization factor of a full wave rectifier is :
45. Identify the wrong statement regarding the Miller capacitance of a CE amplifier :
46. An AM transmitter has an rms antenna current of 11 A when unmodulated and 13 A when . sinusoidally modulated. The modulation index is ;
47. In the visual display on the CRT screen, the sweep voltage causes the spot to move about the screen :
48. Central Processing Unit is a combination of:
49. Which of the following memories needs refreshing?
50. Recursion is a process in which a function calls:
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