Related Questions

In the case of steady flow of a fluid, the acceleration of any fluid particle is
A Constant
B Variable
C Zero
D Zero under limiting conditions
দুইজন অংশীদারের মুনাফা বন্টন অনুপাত ২:১। তৃতীয়জনকে ১/৫ অংশ মুনাফা বণ্টনের চুক্তিতে তারা ব্যবসায়ের নতুন অংশীদার হিসেবে গ্রহণ করলে মুনাফা বণ্টনের নতুন অনুপাত কত? (The profit sharing ratio of two partners is 2:1. What is the new profit sharing ration of partnership business if they accept another partner with an agreed profit sharing ration of 1/5 of total business profit?)
A ২:১:৫ (2:1:5 )
B ২:১:১ (2:1:1)
C ৮:৪:৩ (8:4:3)
D ৪:২:৫ (4:2:5)
5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his sons's age. What is ration of their present age?
A 5:6
B 7:3
C 10:3
D 11:7
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as
A Conduction
B Free convection
C Forced convection
D Radiation
The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for __________ fluid.
A Newtonion
B Dilatant
C Pseudo-plastic
D Non-Newtonion
The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid.
A Dilatant
B Pseudo-plastic
C Bingham plastic
D Newtonion
The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid.
A Newtonion
B Pseudoplastic
C Dilatent
D Bingham plastic
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
A Low
B Very low
C High
D Very high
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
A $$\frac{\partial }{{\partial {\text{s}}}} = 0$$
B $$\frac{\partial }{{\partial {\text{t}}}} = 0$$
C $$\frac{\partial }{{\partial {\text{s}}}} = {\text{constant}}$$
D $$\frac{\partial }{{\partial {\text{t}}}} = {\text{constant}}$$

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