Description : The unit of power in S.I. units is (A) Newton meter (B) Watt (C) Joule (D) Kilogram meter/sec
Last Answer : (B) Watt
Description : The units of dynamic or absolute viscosity are (A) Metres² per sec (B) kg sec/meter (C) Newton-sec per meter (D) Newton-sec² per meter
Last Answer : Answer: Option C
Description : The units of kinematic viscosity are (A) Metres² per sec (B) kg sec/metre (C) Newton-sec per metre (D) Newton-sec per metre
Last Answer : Answer: Option A
Description : 5. Unit of surface tension in S.I. unit is (A) Watt/m (B) Joule/m2 (C) Newton/m2 (D) Joule/m
Last Answer : Option B
Description : The unit of viscosity is (A) Metres² per sec (B) kg-sec/metre (C) Newton-sec per metre² (D) Newton-sec per meter
Last Answer : Answer: Option B
Description : Unit of surface tension is (A) Energy/unit area (B) Velocity/unit area (C) Both of the above (D) It has no units
Description : The unit of work or energy in S.I. units is (A) Newton (B) Pascal (C) Kilogram meter (D) Joule
Last Answer : (D) Joule
Description : The unit of force in S.I. units is (A) Kilogram (B) Newton (C) Watt (D) Dyne
Last Answer : (B) Newton
Description : A cage weighing 200 kg is lowered down a mine shaft with uniform acceleration. In the first 5 sec the cage reaches a depth of 20 m. The tension in the cord lowering the cage would be a.836 kg b.167.2 kg c.100 kg d.41.8 kg e.200 kg
Last Answer : b. 167.2 kg
Description : The units of viscous damping coefficient is A) N-m/sec B) m/N-sec C) N-sec/m D) N-m-sec
Last Answer : C) N-sec/m
Description : The unit of surface tension is (A) N/m (B) N/m2 (C) N/m3 (D) N-m
Description : Define i) surface tension ii) viscosity. Give their units.
Last Answer : Ans.i) The force acting parallel to the surface and perpendicular to a line of unit length anywhere in the surface is called surface tension. Its unit is Nm-1 . ii) The force of friction which one part of the liquid offers to another part of the liquid is called viscosity. Its unit is poise.
Description : Newton, dyne and poundal are known as a.absolute units b.fundamental units c.gravitational units d.absolute units e.107 dynes
Last Answer : d. absolute units
Description : Classify the following units into fundamental, supplementary and derived units: newton, metre, candela
Last Answer : Classify the following units into fundamental, supplementary and derived units: newton, metre, candela, ... , volt, mol, coulomb, farad, steradian.
Description : What is newton equal to it terms of units of mass and acceleration?
Last Answer : Need answer
Description : Name the quantities which are measured by the following units. (i) Newton (ii) Joule (iii) Watt (iv) Volt (v) Light year (vi) Angstrom (vii) Acre-foot (viii) Becquerel (ix) Hertz (x) Cusec
Last Answer : Answers: (i) Force (ii) Work Energy (iii) Power of electricity (iv) Potential difference (v) Distance of stars and planets (vi) Length (vii) Volume (viii) Radioactivity (ix) Frequency (x) Rate of flow of water
Description : Units of strain are A. Newton B. Joules C. Watt D. no units
Last Answer : no units
Description : Units of stress are A. Newton B. Joules C. Pascal D. Watt
Last Answer : Pascal
Description : The unit of power in S.I. units is (a) newton (b) pascal (c) erg (d) watt (e) joule.
Last Answer : Answer : d
Description : The unit of mass in S.I. units is (a) kilogram (b) gram (c) tonne (d) quintal (e) newton
Last Answer : Answer : a
Description : Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or ... animal studies that demonstrate a significant improvement in survival with the use of such agents.
Last Answer : Answer: AB DISCUSSION: Shock due to sepsis or SIRS frequently manifests as a hyperdynamic cardiovascular response, consisting of an elevated CI and a decreased SVR or SVRI. Occasionally, ... been encouraging thus far in human clinical trials, despite the promising results from many animal studies
Description : The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is (A) 24 cm (B) 26 cm (C) 28 cm (D) 30 cm
Last Answer : (D) 30 cm
Description : Question No. 216 If the specific capacity of a well is 0.3183 × 10-3 per sec, the discharge from a well of 4 m diameter under a depression head of 4 m, is (A) 8 litres/sec (B) 10 litres/sec (C) 12 litres/sec (D) 16 litres/sec
Last Answer : (D) 16 litres/sec
Description : Specific capacity or yield of wells, is generally expressed, as (A) m 3 per sec (B) m 3 /hour (C) m 3 /hour/m2 (D) m 3 /hour/m2 /m
Last Answer : (D) m 3 /hour/m2 /m
Description : While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance (A) 20 (sin - 1) (B) 20 (cos - 1) (C) 20 (sec - 1) (D) 20 (cosec - 1)
Last Answer : (C) 20 (sec - 1)
Description : The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is (A) 28.8 sec (B) 41.25 sec (C) 14.52 sec (D) 25.05
Last Answer : (B) 41.25 sec
Description : A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly (A) 38 m (B) 62.5 m (C) 96 m (D) 124 m
Last Answer : (B) 62.5 m
Description : For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If co-efficiency of permeability of the dam material is ... 24 10-3 m3 /sec (C) 6 10-5 m3 /sec (D) 24 10-5 m3 /sec
Last Answer : (D) 24 × 10-5 m3 /sec
Description : When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the ... (A) 0.0005 cm/sec (B) 0.001 cm/sec (C) 0.002 cm/sec (D) 0.01 cm/sec
Description : A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water? (A) 10 m/sec (B) 25 m/sec (C) 2 m/sec (D) 50 m/sec
Description : An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is (A) 10 m/sec² (B) 9.81 m/sec² (C) 9.75 m/sec² (D) 9 m/sec
Description : The group delay of a wave with phase constant 2.5 units and frequency of 1.2 radian/sec is a) 3.7 b) 1.3 c) 3 d) 2.08
Last Answer : d) 2.08
Description : The frequency in rad/sec of a wave with velocity of that of light and phase constant of 20 units is (in GHz) a) 6 b) 60 c) 600 d) 0.6
Last Answer : a) 6
Description : A certain population of ALOHA users manages to generate 70 request/sec. If the time is slotted in units of 50 msec, then channel load would be a. 4.25 b. 3.5 c. 350 d. 450
Last Answer : b. 3.5
Description : An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ............... and .............. (A) 4000 bauds \ sec & ... (B) 2000 bauds \ sec & 1000 bps (C) 1000 bauds \ sec & 500 bps (D) 1000 bauds \ sec & 4000 bps
Last Answer : (D) 1000 bauds \ sec & 4000 bps Explanation: Bit rate is the number of bits per second. Baud rate is the number of signal units per second. Baud rate is less than or equal to the bit rate. Baud rate = 1000 bauds per second (baud/s) Bit rate = 1000 x 4 = 4000 bps
Description : A block of mass m is pulled along a surface as shown. The coefficient of kinetic friction between the block and the surface is m and the tension in the rope is T. The acceleration of the block is (a) a = T cos q/mg (b) a = T cos q/mgm (c) a = T cos q/m + mmg (d) None of the above
Last Answer : Ans:(d)
Description : SI unit for the surface tension is ____. (1) kg/m2 (2) kg/m3 (3) N/m (4) kg/m
Last Answer : (3) N/m Explanation: Surface tension is measured in force per unit length. Its SI unit is Newton per meter.
Description : For high sensivity of the bubble tube (A) A liquid of low viscosity is used (B) A liquid of low surface tension is used (C) The bubble space should be long (D) All the above
Last Answer : (D) All the above
Description : The sensitiveness of a level tube decreases if (A) Radius of curvature of its inner surface is increased (B) Diameter of the tube is increased (C) Length of the vapour bubble is increased (D) Both viscosity and surface tension are increased
Last Answer : (D) Both viscosity and surface tension are increased
Description : Pick up the correct statement from the following: (A) The amount of water retained on the surface of soil grains by molecular attraction, is known as pellicular water (B) The degree of resistance to ... (C) The pellicular water held in any soil, is called field capacity (D) All the above
Last Answer : Answer: Option D
Description : 07. The ratio of the inertia force to the surface tension force is called Weber's number. A) Correct B) Incorrect
Last Answer : A
Description : 19. In the manufacturing of lead shots, the property of surface tension is utilised. A) Agree B) Disagree
Description : 18. The property of a liquid which enables it to resist tensile stress is called its surface tension. A) Agree B) Disagree
Description : 16. Surface tension force is the product of surface tension per unit length and cross-sectional area of flow. A) Correct B) Incorrect
Last Answer : B
Description : Falling drops of water become spheres due to the property of (A) Surface tension of water (B) Compressibility of water (C) Capillarity of water (D) Viscosity of water
Description : The process of diffusion of one liquid into the other through a semi permeable membrane is called (A) Viscosity (B) Osmosis (C) Surface tension (D) Cohesion
Description : The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called (A) Surface tension (B) Compressibility (C) Capillarity (D) Viscosity
Description : Froude's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Surface tension force
Description : The mercury does not wet the glass. This is due to the property of the liquid known as (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension
Description : With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will (A) Decrease (B) Increase (C) Remain unchanged (D) Depend upon the characteristics of liquid