The ratio of average values of shear stresses produced on the bed and the banks of a channel due
to flowing water is
(A) Less than 1
(B) Equal to 1
(C) Greater than 1
(D) Equal to zero

1 Answer

Answer :

Answer: Option C

Related questions

Description : The ratio of maximum and average shear stresses on a rectangular section, is  (A) 1  (B) 1.25  (C) 1.5  (D) 2.5 

Last Answer : (C) 1.5

Description : In a static fluid (A) Resistance to shear stress is small (B) Fluid pressure is zero (C) Linear deformation is small (D) Only normal stresses can exist

Last Answer : Answer: Option D

Description : If the depth of actual neutral axis of a doubly reinforced beam (A) Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier (B) Is less ... critical neutral axis; the concrete and steel attain their maximum stresses simultaneously (D) All the above

Last Answer : Answer: Option D

Description : At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be (A) Minimum (B) Maximum (C) Zero (D) Could be any value

Last Answer : Answer: Option D

Description : In a combined footing, in the zones where the shear stresses are less than 5 kg/cm2 , stirrups to be provided are generally (a) 2 – legged (b) 4-legged (c) 8 – legged (d) 12 legged

Last Answer : (b) 4-legged

Description : 0 Pick up the correct statement from the following: (A) The point through which the resultant of the shear stresses passes is known as shear centre (B) In the standard rolled channels, the shear centre ... horizontal plane and away from the C.G., outside of the leg projection (D) All the above

Last Answer : (D) All the above

Description : Voids ratio of a soil mass can (A) Never be greater than unity (B) Be zero (C) Take any value greater than zero (D) Take values between 0 and 1 only

Last Answer : (C) Take any value greater than zero

Description : Minimum shear reinforcement is necessary to [ A ] Prevent brittle shear failure [ B ] Prevent failure due to shrinkage and thermal stresses [ C ] Hold the reinforcements in place while pouring concrete [ D ] All the above.

Last Answer : [ D ] All the above.

Description : In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be A less than unity B equal to unity C greater than unity D zero

Last Answer : C greater than unity

Description : In vibration isolation system, if ω/ω n < 2, then for all values of damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero

Last Answer : c) greater than unity

Description : In vibration isolation system, if ω/ω n < 2, then for all values of damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero

Last Answer : c) greater than unity

Description : n vibration isolation system, if ω/ω n is less than √2 , then for all values of the damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero

Last Answer : c) greater than unity

Description : For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is (A) More (B) Less (C) Equal (D) Independent of porosity

Last Answer : (B) Less

Description : A perfect gas (A) Does not satisfy PV = nRT (B) Is incompressible and has zero viscosity (C) Has constant specific heat (D) Can’t develop shear stresses

Last Answer : (C) Has constant specific heat

Description : Failure of a slope occurs only when total shear force is A) Equal to total shearing strength (B) Greater than total shearing strength (C) Less than total shearing strength (D) None of these

Last Answer : Answer: Option B

Description : If the shear stress in a R.C.C. beam is (A) Equal or less than 5 kg/cm2 , no shear reinforcement is provided (B) Greater than 4 kg/cm2 , but less than 20 kg/cm2 , shear reinforcement is provided (C) Greater than 20 kg/cm2 , the size of the section is changed (D) All the above

Last Answer : Answer: Option D

Description : Shear stress in a fluid flowing in a round pipe (A) Varies parabolically across the cross-section (B) Remains constant over the cross-section (C) Is zero at the centre and varies linearly with the radius (D) Is zero at the wall and increases linearly to the centre

Last Answer : (C) Is zero at the centre and varies linearly with the radius

Description : The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a  bar, is  (A) 1/4  (B) 1/2  (C) 1  (D) 2 

Last Answer : (D) 2 

Description : Maximum shear stress is (a) Average sum of principal stresses (b) Average difference of principal stresses (c) Average sum as well as difference of principal stresses (d) None

Last Answer : (b) Average difference of principal stresses

Description : The starting current of an electric motor is ________ the current flowing after the motor reaches its normal running speed. (a) nearly equal to (b) exactly equal to (c) less than (d) much greater than

Last Answer : Ans:(d)

Description : In alluvial channels carrying clear water, the ratio of maximum tractive shear stress on the slides and that on the channel beams approximately. a) 0.5 b) 1.76 c) 0.76 d) 1.5

Last Answer : c) 0.76

Description : Ratio of diameters of two shafts joined in series is 2. If the two shafts have the same material and the same length the ratio of their shear stresses is a. 2 b. 4 c. 8 d. 16

Last Answer : c. 8

Description : If the critical shear stress of a channel is XC, then the average value of shear stress required to move the grain on the bank is (A) 0.5 XC (B) 0.75 TC (C) XC (D) 1.33 TC

Last Answer : Answer: Option B

Description : The principal stresses at a point are 100, 100 and -200 kgf/cm2 , the octahedral shear stress at the  point is:  (A) 100 kg/cm2 (B) 200 kg/cm2 (C) 300 kg/cm2 (D) 400 kg/cm2

Last Answer : (A) 100 kg/cm2

Description : If is the shear force at a section of an I-joist, having web depth and moment of inertia about its neutral axis, the difference between the maximum and mean shear stresses in the web is, (A) Sd²/8I (B) Sd²/12I (C) Sd²/16I (D) Sd²/24I

Last Answer : (D) Sd²/24I

Description : If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is ... (A) Quick test (B) Drained test (C) Consolidated undrained test (D) None of these

Last Answer : Answer: Option B

Description : Inc case of prestressed concrete members, the bursting stresses develop at (a) Bond zone (b) Maximum bending moment zone (c ) Maximum shear stress zone (d) Anchorage zone

Last Answer : (d) Anchorage zone

Description : Reinforced cement concrete is equally strong in taking (a) Tensile and compressive stress (b) Compressive and shear stresses. (c) Tensile, compressive and shear stresses. (d) Tensile and shear stresses.

Last Answer : (c) Tensile, compressive and shear stresses.

Description : A concrete block subjected to shear stresses, then the failure may result by [ A ] Diagonal tension [ B ] Longitudinal tension [ C ] Diagonal compression [ D ] None of the above

Last Answer : [ A ] Diagonal tension

Description : Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to (A) Reynold stresses (B) Shear forces (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : The camber of shoulders in water bound macadam roads is (A) Equal to the cross slope of pavement (B) Less than the cross slope of pavement (C) Greater than the cross slope of pavement (D) Zero

Last Answer : Answer: Option A

Description : Choose the wrong statement (A) Fluids are capable of flowing (B) Fluids conform to the shape of the containing vessels (C) When in equilibrium, fluids cannot sustain tangential forces (D) When in equilibrium, fluids can sustain shear forces

Last Answer : Answer: Option D

Description : The vapour pressure over the concave surface is (A) Less man the vapour pressure over the plane surface (B) Equal to the vapour pressure over the plane surface (C) Greater than the vapour pressure over the plane surface (D) Zero

Last Answer : Answer: Option A

Description : Rigidity factor for a tyre pressure greater than 7 kg/cm² is (A) Equal to 1 (B) Less than 1 (C) Greater than 1 (D) Zero

Last Answer : Answer: Option B

Description : In a singly reinforced beam (A) Compression is borne entirely by concrete (B) Steel possesses initial stresses when embedded in concrete (C) Plane sections transverse to the centre line ... Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

Last Answer : Answer: Option C

Description : In general in the design of a section by limit method, it is assumed that [ A ] the stress in steel to reach its yield limit before concrete failure [ B ] the stress in concrete to ... in both concrete and steel reach their permissible values simultaneously [ D ] none of the above are correct

Last Answer : [ A ] the stress in steel to reach its yield limit before concrete failure

Description : In general in the design of a section by limit method, it is assumed that [ A ] the stress in steel to reach its yield limit before concrete failure [ B ] the stress in concrete to ... in both concrete and steel reach their permissible values simultaneously [ D ] none of the above are correct

Last Answer : [ A ] the stress in steel to reach its yield limit before concrete failure

Description : If the shear force along a section of a beam is zero, the bending moment at the section is  (A) Zero  (B) Maximum  (C) Minimum  (D) Average of maximum-minimum 

Last Answer : (B) Maximum 

Description : Ab and Ac  are the cross sections of bronze and copper bars of equal lengt b c  are their  respective stresses due to load P. If Pb and Pc  are the loads shared by them, (where Eb and Ec  are  their modulii) ... /Ec (B) P = Pb + Pc (C) P = Ab b + Ac b (D) All the above 

Last Answer : (D) All the above 

Description : Pick up the correct statement from the following:  (A) The ratio of the total sediment deposited in the reservoir to the total sediment flowing in  the river, is called trap efficiency  ( ... less  (C) Large capacity reservoirs on small rivers generally silt more  (D) All the above

Last Answer : (D) All the above

Description : The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due  to flowing liquid, is  (A) ½  (B) 1  (C) 1½  (D) 2 

Last Answer : (D) 2 

Description : The flow in a pipe or channel is said to be non-uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Last Answer : Answer: Option B

Description : The flow in a pipe or channel is said to be uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Last Answer : Answer: Option A

Description : the water content of a fully saturated soil mass is 100%, then the voids ratio of the sample is (A) Less than specific gravity of soil (B) Equal to specific gravity of soil (C) Greater than specific gravity of soil (D) Independent of specific gravity of soil

Last Answer : Answer: Option B

Description : If the depth of actual neutral axis is greater than the depth of critical neutral axis, then [ A ] Concrete attains its permissible stress earlier [ B ] Steel attains its permissible stress earlier [ C ] Both concrete and steel reaches its permissible stresses simultaneously [ D ] None of the above

Last Answer : [ A ] Concrete attains its permissible stress earlier

Description : The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to (A) Load factor (B) Plant factor (C) Utilisation factor (D) Both (A) and (B)

Last Answer : Answer: Option D

Description : Water content of soil can (A) Never be greater than 100 % (B) Take values only from 0 % to 100 % (C) Be less than 0 % (D) Be greater than 100 %

Last Answer : Answer: Option D

Description : In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at (A) Less loaded column (B) More loaded column (C) A point of the maximum shear force (D) A point of zero shear force

Last Answer : Answer: Option D

Description : The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively (A) Zero and zero (B) 0.5 kg/cm² and zero (C) 0.5 kg/cm² and 0.5 kg/cm² (D) 1.0 kg/cm² and 0.5 kg/cm²

Last Answer : (B) 0.5 kg/cm² and zero

Description : In actual machines (A) Mechanical advantage is greater than velocity ratio (B) Mechanical advantage is equal to velocity ratio (C) Mechanical advantage is less than velocity ratio (D) Mechanical advantage is unity

Last Answer : (C) Mechanical advantage is less than velocity ratio