12751. Dislocation in materials is a ----------defect
12752. For transmission of maximum power the maximum tension in the belt should be
12753. A worm gearing is used to obtain speed reduction between shafts whose axes are
12754. A 50 mm diameter rod is to be turned on a lathe at a cutting speed of 30 m/minute.The required spindle speed in rpm should be approximately
12755. The swaying couple in locomotives has maximum or minimum value when the angle of inclination of crank with the line of stroke.
12756. At a particular rotational speed the unbalanced force due to revolving mass
12757. The static deflection of a shaft under a fly wheel is 1mm.What is the critical speed in rad/s.if g=10 m/s^(2)’
12758. For a shaft fixed at one end and carrying a rotor at the free end the nodal point will lie at
12759. For a small change of speed,if the displacement of the sleeve is high,then the governor
12760. Dryness fraction is the ratio of
12761. The function of a steam trap is
12762. For a thin cylinder subjected to internal pressure the ratio of circumferential and longitudinal stresses are in the ratio
12763. In a gas turbine the function of regenerator is
12764. The air screw of an airplane is rotating clockwise when looking from the front.If it makes a left turn the gyroscopic effect will be
12765. For forced convection Nusselt number is a function of
12766. If the mean velocity of water is V,R be hydraulic mean depth,p and Meu be density and viscosity of water then Reynold number ‘(R_(e))’ is defined as
12767. Find the area of rapid sand filters required for a town having a population of 80000 with an average rate of demand as 200 litres per head per day.Assume a rate of filtration as 5000 litres per hour pen’m^(2)’of filter are
12768. Two plates of 16 mm and 14 mm are joined by fillet.What should be the size of fillet weld to be used?
12769. The relation between modulus of Elasticity(E)and modulus of rigidity(N)and bulk modulus(K)is given by the relation
12770. Due to negative skin friction on a pile,the load carrying capacity of the pile
12771. Find the discharge through a rectangular channel of width 2m,having a bed slope of 4 in The depth of flow is 5 m and take the value of N in Manning’s formula as 012
12772. Most weather phenomena occur in the
12773. The diameter of a rivet connecting plate of thickness 15 mm given by Unwin’s formula is
12774. Elongation produced in a bar of density p,length l and Young’s modulus E due to its self-weight
12775. N value for medium sand lies between
12776. Beams of uniform strength can be made by varying the cross sectional dimension in such a way that
12777. The minimum specific energy ‘(E_(min))’is related to critical depth’(h_(c))’for open channel flow as’’
12778. The relation between porosity(n)specific yield’(S_(y))’and specific retention’(S_(r))’ is correctly given in the relationship.’’
12779. Initial setting time’(T_(1))and final setting time’(T_(2))’for ordinary Portland Cement is given by the relation
12780. The temperature strain in a steel rod is -----------proportional to the change in temperature
12781. In measuring horizontal angles,the error due to imperfect leveling of the plate bubble is
12782. A cantilever 5 m long carries a uniformly distributed load over the entire length.Find the deflection at the free end if the slope at the free end is’5^(@)’
12783. The heights of water on the upstream and downstream side of a submerged weir of 3m length are 20 cm and 10 cm respectively.If’C_(d)’for free and drowned portions are 6 and 8 respectively,find the discharge over the weir.
12784. Activated sludge is
12785. The maximum area of tension reinforcement in a beam having cross sectional area as’bd’shall not exceed
12786. A circular rod 2 m long tapers from 20 mm diameter at one end to 10 mm diameter at the other On applying an axial pull of 6kN,it was found to extend by 068 mm.Find the Young’s modulus of the material of the rod
12787. In establishing the line of sight which of the following statement is not correct?
12788. Equation of flexture is given as
12789. A cut in the frame of a door to receive the shutter,is called
12790. Lap length in compression reinforcement should not be less than-------------times the diameter of the bar.
12791. Moment of inertia of a quadrant circle of radius R about its XX axis is given by
12792. The point of contra-flexture is also called as
12793. Pitot tube is used to measure
12794. Between Biochemical Oxygen Demand(BOD)and Chemical Oxygen Demand(COD)
12795. Select the option, which is the logical equivalent of the statement given below– If my umbrella is up, then it is raining.
12796. Half life for a general ‘n^(th)’order reaction is
12797. After 8 minutes in a batch reactor,’C_(A0)=1mol/I’and conversion is 80%.After 18 minutes,the conversion is 90%.Then the rate equation is
12798. A first order reversible reaction A-><-rR is carried out in an ideal plug flow reactor.The design equation is given by:
12799. The rate determining step of Michaelis Menten kinetics is