Related Questions

The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
A Plus
B Minus
C Divide
D None of these
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
A $$\frac{8}{{15}}{{\text{C}}_{\text{d}}} \times 2{\text{g}} \times {\text{H}}$$
B $$\frac{8}{{15}}{{\text{C}}_{\text{d}}} \times 2{\text{g}} \times {{\text{H}}^{\frac{3}{2}}}$$
C $$\frac{8}{{15}}{{\text{C}}_{\text{d}}} \times 2{\text{g}} \times {{\text{H}}^2}$$
D $$\frac{8}{{15}}{{\text{C}}_{\text{d}}} \times 2{\text{g}} \times {{\text{H}}^{\frac{5}{2}}}$$
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
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is
A Normal to both current and magnetic field
B In the direction of current
C Antiparallel to magnetic field
D In arbitrary direction
Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is
A Normal to both current and magnetic field
B In the same direction as current
C In a direction anti parallel to magnetic field
D None of the above
The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.
A Yield point
B Breaking
C Ultimate
D None of these
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
A Creep
B Fatigue
C Endurance
D Tensile
What is the value of included angle of a triangular notch for maximum discharge ?
A 30°
B 60°
C 90°
D 120°
The impact between two lead spheres is approximately equal to an __________ impact.
A Elastic
B Inelastic
C Solid
D None of these
If one angle of a triangle is three times a second angle and the third is 20 degrees more than the second angle, the second angle, in degrees, is
A 32
B 36
C 4
D None of these

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