1 Pa is equal to
A. 1N m
B. 1 kg
C. 1 N m-1
D. 1 N m-2
1 N m-1
Description : How much does an object having the mass of 100kg weight in newton. a. 981 N b. 991 N c. 981.6 N d. 980.1N F = ma
Last Answer : 900,000lb/hr;625 ft/s981 N
Description : 1 N is equal to A. 1 kg m s-2 B. 10 kg m s-1 C. 10 kg m s-2 D. 100 kg m s-2
Last Answer : 1 kg m s-2
Description : A gas (density = 1.5 kg/m3 , viscosity = 2 10 -5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The ... flowing at 3 m/s will be (A) 8400 Pa/m (B) 12600 Pa/m (C) 18900 Pa/m (D) 16800 Pa/m
Last Answer : (B) 12600 Pa/m
Description : If a force of 50 N is applied across the cross-sectional area of 5 × 10- 7m2 then stress applied on it is A. 1 × 108 Pa B. 20 Pa C. 50 Pa D. 100 Pa
Last Answer : . 1 × 108 P
Description : How do I make .1N solution of NaOH?
Last Answer : NaOH is Sodium Hydroxide… or otherwise known as lye. I create a solution of Sodium Hydroxide all the time. Is this for cleaning purposes? For what are you making the solution for? How accurate does the solution really need to be?
Description : How do you prepare solution of 0.1N KMnO4?
Last Answer : Dissolve 31,6 g KMnO4 in 1 kg acidified distilled water.
Description : A charge of 2 X 10 -7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10 -7 C, both the charges are in vacuum. a) 0.03 b) 0.05 c) 0.07 d) 0.09
Last Answer : d) 0.09
Description : A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the ... close the nip. (a) 4332.2N (b) 4674.1N (c) 4985.4N (d) Can't be determined
Last Answer : (b) 4674.1N
Description : The ‘acid neutralizing capacity’ of an antacid is governed by: A. The equivalent weight of the antacid B. The pH of 1N solution of the antacid C. The rate at which the antacid reacts with HCl D. Both ‘A’ and ‘C’
Last Answer : D. Both ‘A’ and ‘C’
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 : Acceleration of a rocket having mass 5000 kg and resultant force acting on it is 200,000 N is A. 50 m s-2 B. 56 m s-2 C. 70 m s-2 D. 40 m s-2
Last Answer : . 40 m s-2
Description : Average force acting on 900 kg car if it's velocity ranges from 5 m s-1 to 30 m s-1 in 12 s is A. 1875 N B. 2000 NC. 3000 N D. 1560 N
Last Answer : 1875 N
Description : N kg-1 is equivalent to A. m s-2 B. m s-1 C. m s D. m s-3
Last Answer : m s-2
Description : One bar is equal to – (1) 10 ³ Pa (1) 100 Pa (2) 10 ⁵ Pa (3) 10 ⁴ Pa (4)
Last Answer : (3) 10 ⁵ Pa Explanation: The bar is a non-Si unit of pressure. It is defined by the IUPAC as exactly equal to 100,000 Pa or 1O Pa.
Description : Unit for pressure used in weather maps is millibar. 1 millibar is equal to A. 1000 bar B. 100 kPa C. 100 Pa D. 1 atm
Last Answer : 100 Pa
Description : If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by (A) D = 0.00775 aP (B) D = 0.0775 aP (C) D = 0.07775 aP (D) D = 0.775 Pa
Last Answer : Answer: Option A
Description : A person of mass ‘m’ kg jumps from a height of ‘h’ meters, he will land on the ground with a velocity equal to: A. √(2 × g × h) B. 1/h × √(2 × g) C. 2gh D. 2√(g × h)
Last Answer : √(2 × g × h)
Description : A full journal bearing having clearance to radius ratio of 1/100, using a lubricant with μ=28×10-3 Pa s supports the shaft journal running at N = 2400 rpm If bearing pressure is 1.4 MPa, the Somerfield number is [IES-2001] (a) 8×10-3 (b) 8×10-5 (c) 0.48 (d) 0.48×10
Last Answer : (a) S = (μN s /p) (r/c) 2
Description : The SI unit of pressure a. Pa b. N c. J d. None of the above
Last Answer : Pa
Description : 1 Tesla is equal to A. 50 N A-1 m-1 B. 100 N A-1 m-1 C. 1 N A-1 m-1 D. 1000 N A-1 m-1
Last Answer : 1 N A-1 m-1
Description : Force per meter on two wires carrying a current of 1 A placed 1 m apart is equal to A. 6.7 × 10-11 N B. 9.0 × 109 N C. 2.0 × 10-7 N D. 3.0 × 10-4 N
Last Answer : 2.0 × 10-7 N
Description : What is 1 Pa ?
Last Answer : When a ball is applied perpendicular to an area of 1 m2 , that pressure is called 1 pascal ( 1 Pa) .
Description : Force that acts on a mass of 1 g and gives it an acceleration of 1 cm s-2 is defined as A. 1 newton B. 1 dyne C. 1 pound-force D. 1 pa-force
Last Answer : 1 dyne
Description : Each 1 kg mass experiences force of A. 7 N B. 9.81 N C. 20 N D. 100 N
Last Answer : 9.81 N
Description : Mass of Earth when it's radius is 6400 km and gravitational field strength is 9.81 N kg-1 is A. 6.0 × 1024 kg B. 5 × 1023 kg C. 40 × 109 kg D. 9 × 1024 kg
Last Answer : 5 × 1023 kg
Description : A Bingham fluid of viscosity μ = 10 Pa.s and yield stress, τ0 = 10 KPa, is shared between flat parallel plates separated by a distance of 10 -3 m. The top plate is moving with a velocity of 1 m/s. The shear stress on the plate is (A) 10 KPa (B) 20 KPa (C) 30 KPa (D) 40 KPa
Last Answer : (B) 20 KPa
Description : For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa), the equation is given by (A) Roohwer's, formula in M.K.S. (B) Roohwer's formula in F.P.S. (C) Dalton's formula in F.P.S. (D) Dalton's formula in M.K.S
Description : The breaking strength of a rope is 400 N. A fireman weighing 60 kg slides down the rope. The rope will break if a.107 dynes b.the acceleration is 7.5 m/s2 c.the acceleration is 1.2 m/s2 d.the acceleration is 3.1 m/s2 e.the slides with an acceleration of 15 m/s2
Last Answer : c. the acceleration is 1.2 m/s2
Description : A 2 kg block is dropped from a height of 4 metre onto a spring of force constant k = 1960 N/m. The spring will be compressed through a.1 cm b.4.5 cm c.3 cm d.8 cm e.107 dynes
Last Answer : d. 8 cm
Description : A 3.2 m diameter balloon is filled with Helium. The total weight of balloon, gas and pay load is 10 kg kg. In an isothermal atmosphere having conditions identical to N.T.P. the balloon will rise to a height of about a.6000 m b.1500 m c.3000 m d.2000 m e.1000 m
Last Answer : a. 6000 m
Description : A body of mass `(1)/(4) kg` moving with velocity `12 m//s` is stopped by applying a force of 0.6 N. Then impulse is :-
Last Answer : A body of mass `(1)/(4) kg` moving with velocity `12 m//s` is stopped by applying a force of 0.6 N. Then ... A. 7.2 Ns B. 3 Ns C. 2.4 Ns D. None
Description : A string of linear mass density 0.005 kg/m is stretched by a force F=2t^2 N
Last Answer : A string of linear mass density 0.005 kg/m is stretched by a force F=2t^2 N ( t is in sec) as shown in figure. ... 24.5 m/s C) 32 m/s D) 40 m/s
Description : Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls ... V.W.Dr.ρ (B) 3.6 V.W. ρ (C) 3.6 W.Dr.ρ (D) 3.6 V.W.Dr/ρ
Last Answer : (A) 3.6 V.W.Dr.ρ
Description : Determine natural frequency of a system, which has equivalent spring stiffness of 30000 N/m and mass of 20 kg? A 12.32 Hz B 4.10 Hz C 6.16 HzD None of the above
Last Answer : C 6.16 Hz
Description : A mass of 10 kg when suspended from a spring causes a static deflection of 0.01m. Find the spring stiffness for the same system. A 9810 N/m B 8910 N/m C 1098 N/m D 9801 N/m
Last Answer : A 9810 N/m
Last Answer : D 9801 N/m
Description : Determine natural frequency of a system, which has equivalent spring stiffness of 43200 N/m and mass of 12 kg. A 40.22 rad/sec B 40 Hz C 60 Hz D 60 rad/sec
Last Answer : D 60 rad/sec
Description : Determine natural frequency of a system, which has equivalent spring stiffness of 30000 N/m and mass of 20 kg? A. 12.32 Hz B. 4.10 Hz C. 6.16 Hz D. None of the above
Last Answer : C. 6.16 Hz
Description : A vibrating machine of 100 kg is mounted on a rubber pad which has stiffness of 500 N/m. Determine force transmitted to the foundation if the unbalanced force 500 N acts on it. The frequency ratio (ω/ω n ) is 1.5 and ξ = 0.5 A. 461.62 N B. 400.23 N C. 450 N D. Insufficient data
Last Answer : A. 461.62 N
Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m B. 80 x 10 3 N-s/m C. 42 x 10 3 N-s/m D. None of the above
Last Answer : C. 42 x 10 3 N-s/m
Description : A system has a mass of 0.5 kg and spring stiffness of 2452 N/m. Find the natural frequency of the system. A. 5.14 Hz B. 9.14 Hz C. 11.14 Hz D. 28.14 Hz
Last Answer : C. 11.14 Hz
Description : A vertical spring-mass system has a mass of 0.5 kg and an initial deflection of 0.2 cm. Find the spring stiffness. A. 345 N/m B. 245 N/m C. 3452 N/mD. 2452 N/m
Last Answer : D. 2452 N/m
Description : In a 2-mass 3 spring vibrating system the two masses each are of 9.8 kg coupling spring is having a stiffness of 3430 N/m whereas the other two springs have each a stiffness of 8820 N/m. The two natural frequencies in rad /sec are A) 10 & 20 B) 20 & 30 C) 30 & 40D) 40 & 50
Last Answer : C) 30 & 40
Description : Determine natural frequency of a system, which has equivalent spring stiffness of 30000 N/m and mass of 20 kg? A) 12.32 Hz B) 4.10 Hz C) 6.16 Hz D) None of the above
Last Answer : C) 6.16 Hz
Description : Determine natural frequency of a system, which has equivalent spring stiffness of 30000 N/m and mass of 20 kg? C ( A )12.32 Hz (B) 4.10 Hz ( C )6.16 Hz (D)None of the above
Last Answer : ( C )6.16 Hz
Description : A mass of 10 kg when suspended from a spring causes a static deflection of A 0.01m. Find the spring stiffness for the same system. (A) 9810 N/m (B) 8910 N/m (C)1098 N/m (D) 9801 N/m
Last Answer : A) 9810 N/m
Description : In spring mass experiment, the natural frequency of 10 kg mass was found to be 12 rad/sec. the stiffness of the spring is A. 800 N/m B. 1200 N/m C. 1440 N/m D. 2000 N/m
Last Answer : C. 1440 N/m
Description : A 10 Kg mass suspended by spring of stiffness 1000 N/m. the natural frequency of the system after giving excitation will be A. 0 Hz B. 1.59 Hz C. 2 Hz D. 15.9 Hz
Last Answer : B. 1.59 Hz
Description : A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural ... , are a) 0.471 and 1.19 Hz b) 0.471 and 7.48 Hz c) 0.666 and 1.35 Hz
Last Answer : a) 0.471 and 1.19 Hz