Q.2 Two straight lines pass through the origin (x0, y0) = (0,0). One of them passes through the point (x1, y1) = (1,3) and the other passes through the point […]
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Master “Know vs No” Homophones
Q.1 You should _________ when to say _________.(A) no / no(B) no / know(C) know / know(D) know / no Correct Answer: (D) know / no The sentence “You should […]
dNTP Master-Mix PCR Concentration Calculation
Q.65 A dNTP master-mix is prepared by combining 40 μL of each 20 mM dNTP stock (dATP, dCTP, dGTP and dTTP). 4 μL of this dNTP master-mix is added to […]
Proportional Gain Calculation
Q.64 A proportional controller is used to control the temperature of an autoclave from 60 °C to 130 °C. If the proportional band setting of the controller is 25%, the […]
Evaporator Heat Loss Calculation
Q.63 An evaporator is insulated using glass wool material of 0.15 m thickness. The inner most surface and the outer surface of the insulation are at 700 °C and 80 […]
Apparent Viscosity of Dilatant Fluid
Q.62 The values of the consistency index ‘K’ and the flow behavior index ‘n’ of a dilatant fluid are 0.415 (in CGS units) and 1.23, respectively. The value of the […]
Probability Second Card Greater Than First
Q.61 Ten playing cards numbered 1, 2, 3, …., 10 are placed face down on a table. Onecard is drawn at random, its number recorded, and then replaced face down. […]
Solving f(2)=5, f(x)f(x+1)=3
Q.60 If f(2) = 5 and (f(x))(f(x+1)) = 3 for all real values of x, the value of f(10) is ____________. Given: f(2) = 5 and f(x) · f(x+1) = […]
Derivative of (sin x + cos x)/(sin x – cos x) at x=0
Q.59 If f(x) = (sin x + cos x) / (sin x − cos x), the value of f′(x) at x = 0 is ____________. Introduction Finding the derivative of […]
Value of |A⁴ + 3A² − 5A + 6I| for A = (1 2; 3 5)
Q.58 If A = ( 1 2 3 5 ), the value of |A4 + 3A2 − 5A + 6I| is ____________. Determinant of A⁴ + 3A² − […]


