Description : Why carbon electrode is used during electrolysis of Nacl, instead of Pt electrode?
Last Answer : Ans: During electrolysis of Nacl, chlorine gas is produced at anode. Thus to avoid it’s reaction with platinum we use carbon electrode.
Description : The emf of a primary cell depends upon the: a) Physical dimension of the cell b) Nature of the electrolyte c) Nature of the electrode d) Both (b) and (c)
Last Answer : Ans: D
Description : What does mean by grounding electrode, grounding system, and grounding resistance?
Last Answer : Grounding electrode: A conductor driven in the earth and used for collecting ground current from or dissipating ground current into the earth. Grounding system: Comprises all interconnected ... current is discharged to the ground through a particular grounding electrode or grounding system.
Description : What is the difference between earth resistance and earth electrode resistance?
Last Answer : Only one of the terminals is evident in the earth resistance. In order to find the second terminal we should recourse to its definition: Earth Resistance is the resistance existing between the ... the connection to it. (B) The contact resistance of the surrounding earth to the electrode.
Description : Earth resistance comprises of A. Resistance of soil away from electrode. B. Contact resistance between electrode and soil. C. Resistance of metal electrode (a) A only (b) A and B only (c) A and C only (d) A, B and C together
Last Answer : D
Description : The main factor which affects the infiltration capacity, is (A) Thickness of saturated layer (B) Depth of surface detention (C) Soil moisture (D) All the above
Last Answer : Answer: Option D
Description : The maximum dry density upto which any soil can be compacted depends upon (A) Moisture content only (B) Amount of compaction energy only (C) Both moisture content and amount of compaction energy (D) None of the above
Last Answer : (C) Both moisture content and amount of compaction energy
Description : The internal molecular attraction of a soil, the cohesion (A) Decreases as the moisture content increases (B) Increases as the moisture content decreases (C) Is more in well compacted clays (D) Depends upon the external applied load
Last Answer : Answer: Option C
Description : The side slope of formation in embankment /cutting depends on a) Shearing strength of soil and its angle of repose* b) Angle of repose c) Bearing capacity of the soil d) Optimum moisture content of the soil
Last Answer : a) Shearing strength of soil and its angle of repose*
Description : The voltage at the reference electrode of the circuit shown in the illustration is applied to the input of a/an ______________. EL-0090 A. class A detector whose output drives an ... drives an 2-stage isolation transformer D. magnetic amplifier whose output controls a saturable reactor
Last Answer : Answer: D
Description : When the circuit shown in the illustration is operating correctly, the voltage at the reference electrode will be kept in the optimum range of ____________. EL-0090 A. 0.01 - 0.05 volt B. 0.80 - 0.85 volt C. 35 - 60 volts D. 100 - 115 volts
Last Answer : Answer: B
Description : What is electrode?
Last Answer : A conducting element used for converging (centering) current to and from a medium is called electrode. There are two types of electrode. A positive and other is negative.
Description : The depth of concrete bed of the foundation depends upon (A) The projection of the concrete block beyond the footing over it (B) The upward soil pressure (C) The mix of the concrete (D) All the above
Description : How do you describe the relationship between moisture content and microbial activity as the soil is gradually increased from this dry state to a saturated one What factors dictate the shape of the cur?
Last Answer : Need answer
Description : Are there any electronic gadgets available that measure moisture and other soil factors in a garden?
Last Answer : Yes there is the HQRP 4-Pin Moisture Analizer Gauge Tester.
Description : Pick out the wrong statement. (A) Seam welding, projection welding & spot welding are the classification of electrical resistance welding (B) Electrode tip in spot welding is of copper and the ... joined are overlapped and placed between two electrodes (D) Mild steel sheet cannot be spot welded
Last Answer : (D) Mild steel sheet cannot be spot welded
Description : Material of construction of the electrode used in the electric resistance welding is (A) Stainless steel (B) Graphite (C) Copper (D) Steel
Last Answer : Option C
Description : From the point of view of safety, the resistance of earthing electrode should be (a) Low (b) High (c) Medium (d) The value of resistance of earth does not affect the safety
Last Answer : A
Description : Moisture accumulating in electric motors and generator windings having a cold insulation resistance greater than 50,000 ohms may be baked out with internal heat. This heat can be developed by ____________. ... an electric welder and feeding it into the armature while running the motor at full speed
Last Answer : Answer: A
Description : Moisture absorbed in the windings or condensed on the surface of electrical machinery insulation ________. A. is good for long term preserving since most insulation is organic and contains some amount B. ... D. reduces the amount of current supplied or drawn by the machine so horsepower is limited
Description : Electric strip heaters are used in motor controllers to _____________. A. prevent freezing of movable contacts B. keep the components at their design ambient temperature C. prevent condensation of moisture D. minimize resistance in internal circuits
Last Answer : Answer: C
Description : Factors on which material of station busbar depends?
Last Answer : Some of the factors on which station busbar depends are: Current Carrying capacity Short Circuit Stresses Establishing minimum electrical clearances
Description : On what factors efficiency (thermal) of the steam plant depends?
Last Answer : Efficiency of the thermal plant depends on three factors, they are pressure of steam entering the turbine temperature of the steam entering the turbine pressure in the condenser Thermal efficiency ... as low as possible. Thermal efficiency also increases by reheating the steam between turbine stages
Description : Mention the factors on which hysteresis loss depends?
Last Answer : (i) Quality and amount of iron in the core (ii) Flux density and (iii) Frequency.
Description : What are the factors on which the capacity of the battery depends?
Last Answer : The capacity of the battery is measured in ampere-hour. The capacity of the battery depends upon the following factors. a. Number and area of the positive plate. b. Discharge voltage ... . Temperature. When the temperature increases the resistance of the battery decreases and the capacity increases.
Description : Write any two factors on which earth resistance depends.
Last Answer : Factors on which earth resistance depends: (1) The shape and material used for the electrode (2) Depth of the electrode in the ground. (3) The specific resistance of the soil around the electrode (4) Moisture content in the soil. (5) Nature of soil
Description : State the factors upon which the rate of Soil erosion depends. -SST 10th
Last Answer : The rate of Soil erosion depends upon: (i) Character of the slope of land. (ii) The density of vegetation. (iii) Rainfall—Heavy or Light.
Description : The true power indicated by a wattmeter depends on the current flow through the load, the magnitude of the potential across the load, and the _____________. A. power factor of the load B. angle of coil displacement C. inertia of the movable coil D. high resistance from the load
Description : The true power indicated by the pointer movement of a wattmeter depends on the current flow through the load, the magnitude of the potential across the load, and the ____________. A. power factor of the ... B. angle of coil displacement C. inertia of the movable coil D. high resistance from the load
Description : On what factor resistance of the substance depends (Laws of resistance)?
Last Answer : a. The resistance of the conductor is directly proportional to the length of the conductor. b. The resistance of the conductor is inversely proportional to the cross-section of the conductor. ... Where ρ is the constant for the material called its specific resistance or resistivity.
Description : The specific gravity of coal depends mainly on its __________ content. (A) Carbon (B) Volatile matter (C) Ash (D) Moisture
Last Answer : (C) Ash
Description : The vapour pressure exerted by the moisture contained in a wet solid depends upon the (A) Nature of the moisture (B) Temperature (C) Nature of the solid (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. (A) Less than (B) More than (C) Equal to (D) Either (A) or (B); depends on the solid
Last Answer : (A) Less than
Last Answer : Option D
Description : The efficiency of the brakes of a vehicle depends upon (A) Condition of road surface (B) Condition of the tyres (C) Presence of the show moisture (D) All the above
Description : The threshing efficiency of thresher depends on a) Cylinder peripheral speed b) Cylinder concave clearance c) Feed rate, moisture content and type of crop d) All are correct
Last Answer : All are correct
Description : The strength of durability of concrete depends upon. (a) Size of aggregates (b) Grading of aggregates (c) Moisture contents of aggregates (d) All of these.
Last Answer : (d) All of these.
Description : The breakdown voltage of a cable depends on (a) presence of moisture (b) working temperature (c) time of application of the voltage (d) all of the above
Last Answer : (d) all of the above
Description : Three factors responsible for the change in voltage as load is applied to an AC generator are: 1) the drop in resistance in the armature circuit, 2) the change in flux, and 3) the ____________. A. armature winding speed B. inductance load drop C. coil pitch factor D. armature reactance voltage drop
Description : Pressure in fluid depends upon A. depth below the surface B. density of fluid C. the value of g D. all of above
Last Answer : all of above
Description : The actual temperature drop across the heating surface in an evaporator depends on the (A) Feed (B) Depth of liquid over heating surface (C) Pressure difference between steam chest and vapour space (D) All (A), (B) and (C)
Description : The strength of wave action depends on all these EXCEPT: A. Currents in the sea (Answer) B. Wind strength C. Depth of coastal water D. Height of waves
Last Answer : A. Currents in the sea (Answer)
Description : The actual temperature drop across the heating surface of an evaporator depends on the (A) Liquid depth over the heating surface (B) Solution being evaporated (C) Pressure difference between the steam chest and the vapor space above the boiling liquid (D) All (A), (B) and (C)
Description : The depth of seeding in wheat is depends on (A) Length of mesocotyl (B) Length of radical (C) Length of coleoptiles (D) None of these
Last Answer : (C) Length of coleoptiles
Description : Buoyant force (A) For non-symmetrical bodies is not vertical (B) Depends on the depth of the submergence of the floating body (C) Depends on the weight of the floating body (D) None of these
Last Answer : (C) Depends on the weight of the floating body
Description : Pick up the incorrect statement from the following: (A) The smaller the size of the pores, the higher the water can rise above the water table (B) Below the water table, the pore water may be static (C) The hydrostatic pressure depends on the depth below the water level (D) None of these
Description : Coefficient of discharge of an ogee spillway (A) Depends on depth of approach and upstream slope (B) Depends on downstream apron interference and downstream submergence (C) Remains constant (D) Both (A) and (B
Description : Types of Energy Audit to be performed depends on: a) Function and type of industry. b) Depth to which final audit is needed. c) Potential and magnitude of cost reduction desired. d) All of the above.
Last Answer : All of the above.
Description : The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall (1) depends on the thickness of the wall (2) increases with height of the wall (3) increases with depth of the wall (4) depends on the area of the wall
Last Answer : increases with depth of the wall
Description : Which of the following factors does not affect the nitrification ? (A) Air (B) Seed (C) Temperature (D) Moisture
Last Answer : (B) Seed