Related Questions

A man sells chocolates which are in the boxes. Only either full box or half a box of chocolates can be purchased from him. A customer comes and buys half the number of boxes which the seller had plus half box more. A second customer comes and purchases half the remaining number of boxes plus half a box. After this the seller is left with no chocolate boxes. How many chocolate boxes the seller had initially?
A 2
B 3
C 4
D 3.5
E None of these
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have
A free vibration
B forced vibration
C damped vibration
D none of the mentioned
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
A 33.5%
B 37.5%
C 40%
D 50%
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
A 33.5%
B 37.5%
C 40%
D 50%
If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?
A green
B black
C red
D yellow
The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as
A damping factor
B damping coefficient
C logarithmic decrement
D magnification factor
For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be
A 0.75 - 0.80
B 0.80 - 0.85
C 0.85 - 0.92
D Above 0.92
Which of the following transducers is most commonly used for the measurement of shock and vibration ?
A Linear variable differential transducer (LVDT)
B Dial gauge
C Accelerometer
D None of these
Vibration of which among the following produces only odd harmonics?
A A vibrating rod fixed at two ends
B A vibrating string fixed at two ends
C An air column in a closed organ pipe
D An air column in an open organ pipe

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