Related Questions

During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
A Equal to
B Equal and opposite to
C Less than
D Greater than
In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade.
A Equal to
B Less than
C Greater than
D None of these
Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when
A Only vapor phase follows Raoult's law
B Only liquid phase obeys Dalton's law
C Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law
D Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law
__________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals.
A Separation efficiency
B Selectivity index
C Concentration ratio
D None of these
স্বাভাবিক তাপমাত্রা ও চাপে একটি গ্যাসের ঘনত্ব 1/3 একক। স্বাভাবিক চাপ P একক হলে অণুগুলোর গড় বর্গবেগের বর্গমূল কত? (Density of a gas at standard temperature and pressure is 1/3 unit. If the standard pressure is P unit, calculate the root-mean-square velocity of the molecules.)
A 3p
B 3P
C 3p
D 3p
If the sand in-situ is in its densest state, then the relative density of sand is
A zero
B 1
C between 0 and 1
D greater than 1
The price per unit of a product increases by 25% . The actual Taka increase in the unit price is Tk.1.25. What was the unit price in Taka before the price increase?
A 5
B 7.5
C 6.25
D 8.75
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka, before the price increase?
A 5.00
B 6.25
C 7.50
D 8.75
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka , before the price increase?
A 5.00
B 6.25
C 7.50
D 8.75
Based on the information below, how much did a certain telephone call cost? 1. The call lasted 1 minute 27 seconds 2. The cost for the first 30 second unit is Tk. 1.80, call duration more than 30 seconds costs Tk. 0.90 per 30 second unit 3. Any call duration less than 30 seconds is rounded up to the nearest 30-second unit.
A Tk. 1.80
B Tk. 2.61
C Tk. 2.70
D Tk. 3.51

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