76
Equation to the line passing through the point (– 3, 2) and perpendicular to the line
4x + 2y + 5 = 0 is
4x + 2y + 5 = 0 is
Answer
B. x – 2y + 7 = 0
77
The minimum value of the function f(x) = 3x^(4)-2x^(3)-6x^(2)+6x+1 in the interval (0, 2) is
Answer
D. 2
78
If x^(2) + 2xy + y^(2)=0 , then dy/dx is equal to
Answer
C. – 1
79
`int`x(logx) dx is equal to
Answer
B. logx `(x^(2))/(2)-x^(2)/4+C` , C is constant
80
Solution of the differential equation sec^(2)x tanydx+sec^(2)ytanx dy =0 is of the form
Answer
A. tanx tany = c
81
The type of cement suitable for massive constructions like dams is
Answer
B. low heat cement
82
The type of rubble masonry in which prismatic shaped stones are used is
Answer
C. Ashlar masonry
83
The instrument used for measuring distance is
Answer
D. distomat
84
Which among the following is the best suited foundation for a building if the foundation covers more than 50% of the area of the building and if the soil is weak
Answer
B. Raft foundation
85
Optical square is the instrument used for
Answer
A. setting 90°
86
The valve(s) closed during compression stroke of an IC engine is/are
Answer
C. Both inlet and exhaust valve
87
The cooling tower in a steam thermal power plant is a device for
Answer
D. Reducing temperature of cooling water used in a condenser
88
The role of a moderator in a nuclear power plant is
Answer
B. To control speed of neutrons
89
The role of a surge tank in a hydroelectric power plant is
Answer
C. Both 1 and 2 above
90
The following system in automobile diverts the power at right angles towards the driving wheels
Answer
C. Final drive
91
In a series RL circuit excited by a voltage v = `V_(m)sinOmegat`
Answer
A. current lags the applied voltage
92
In a parallel RC electric circuit …………. is same for each element.
Answer
B. voltage
93
Across the surface of a charged conductor, the electric
Answer
C. field is discontinuous
94
The unit of electric energy is
Answer
D. watthour
95
An alternating current source having voltage E = 220 sin (`omegat+Pi`/2) in an ac circuit. If the current draws from the circuit is I = 20 sin (`omegat-Pi`/2), the impedance of the circuit is
Answer
A. 11Ω
96
Which one of the following is a direct band gap semiconductor used to fabricate light emitting diodes?
Answer
C. Gallium Arsenide
97
In a bridge rectifier circuit without filter, the maximum voltage across the secondary of the transformer is 18 volt. What is the maximum reverse voltage that appears across a diode in the non-conducting state during the rectification process?
Answer
B. 18 volt
98
Which of the following is a universal gate?
Answer
A. NAND gate
99
What is the multiple access technique used in IS-95 digital cellular phone standard?
Answer
B. CDMA
100
What is the size of RAM is 8051 micro controller?
Answer
D. 128 bytes
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