Description : The amount of combustible escaping unconsumed from the furnace, depends upon the (A) Air supplied and furnace temperature (B) Burner design (thoroughness of mixing versus stratification) (C) Air preheat and the flow of ... , by acceleration or by change of direction) (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : A ball is thrown horizontally from the top of a cliff. Assuming no air resistance, the acceleration of the ball while it is in flight is: w) in the vertical direction only x) in the horizontal direction only y) in the vertical and horizontal directions z) zero.
Last Answer : ANSWER: W -- IN THE VERTICAL DIRECTION ONLY
Description : A change in state involving a decrease in entropy can be spontaneous, only if (A) It is exothermic (B) It is isenthalpic (C) It takes place isothermally (D) It takes place at constant volume
Last Answer : (A) It is exothermic
Description : An electron moving with a velocity of 5 10 3 m / s enters into a uniform electric field and acquires a uniform acceleration of 10 3 m / s 2 in the direction of initial velocity. i. ... which electron velocity will be doubled.? ii. How much distance electron would cover in this time.? -Science
Last Answer : Given u=5×103m/su=5×103m/s , a=103m/s2a=103m/s2, v=2u=104v=2u=104 m/s i.Using v=u+atv=u+at 104=5×103+103t104=5×103+103t or t=5 sec ii. Using s=ut+12at2s=ut+12at2 s=5×103×5+12×103×52s=5×103×5+12×103×52 =37.5×103m=37.5×103m
Description : The velocity, time graph of two bodies A and B travelling along the +x direction are given in the fi gure.(a) Are the bodies moving with uniform acceleration ? (b) Which body is moving with greater acceleration ? Give reasons. -Biology
Last Answer : The acceleration is given by the slope of velocity-time graph. Slope of body-A > Slope of body-B as it forms a greater angle with time axis than body B. Thus, body A moves with higher acceleration
Description : How does the direction of the acceleration along determine if the object is speeding up or slowing down?
Last Answer : Take the component of the acceleration along the direction theobject is moving. If this component is positive (the accelerationvector, or the relevant component, points in the same direction asthe movement), then the object is speeding up.
Description : Direction of momentum is direction of object's A. mass B. acceleration C. velocity D. frictional force
Last Answer : velocity
Description : Speed of a body in particular direction can be called A. acceleration B. displacement C. velocity D. distance
Description : According to Newton's 2nd law the object's acceleration and centripetal force are A. at right angles to each other B. anti parallel to each other C. make acute angle with each other D. in same direction
Last Answer : in same direction
Description : When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid (A) Remains horizontal (B) Becomes curved (C) Falls on the front end (D) Falls on the back end
Last Answer : Answer: Option C
Description : A ball is thrown vertically upwards from the ground with a speed of 80 feet/second. In the English system of units, what is the magnitude and direction of the acceleration of the ball?
Last Answer : ANSWER: 32 FEET PER SECOND SQUARED DOWN or TOWARDS THE EARTH
Description : For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y) directed radially outward z) directed radially inward
Last Answer : ANSWER: Z -- DIRECTED RADIALLY INWARD
Description : __________ is an ore concentrating metallurgical process involving a chemical change. (A) Electromagnetic separation (B) Froth floatation (C) Roasting (D) None of these
Last Answer : (C) Roasting
Description : In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is (A) More (B) Less (C) Same (D) Unpredictable; depends on the particular reaction
Last Answer : (C) Same
Description : Why only small amount of enzyme is needed to catalyst a reaction involving many molecules?
Last Answer : Need answer
Description : The only correct statement about chymotrypsin is (A) It is formed from trypsin (B) Carboxypeptidase converts trypsin into chymotrypsin (C) Its optimum pH is around 7 (D) It hydrolyses peptide bonds involving basic amino acids
Last Answer : Answer : C
Description : Communication management: 1. Is important only in projects involving telephone, television, radio, or newspaper production facilities and operations 2. Is not a big problem for people with normal ... . Involves the originator, the message, the medium and the receiver 4. Preparing an agenda
Last Answer : 3. Involves the originator, the message, the medium and the receiver
Description : For an irreversible process involving only pressure-volume work (A) (dF)T, p 0 (D) (dA)T, v >0
Last Answer : (A) (dF)T, p
Description : For a reversible process involving only pressure-volume work (A) (dF)T, p < 0 (B) (dF)T, p > 0 (C) (dF)T, p = 0 (D) (dA)T, v < 0
Last Answer : (C) (dF)T, p = 0
Description : Is there a single word that describes starting out and moving in some direction(s) but eventually ending up right back where you started?
Last Answer : Retrace
Description : Which one of the following statements correctly describes eukaryotic DNA? (A) They involve release of pyrophosphate from each nucleotide precussor and Mg2+ (B) The direction of synthesis is (C) They require a primer 5’→ 3’ (D) None of these
Description : Which of the following statements describes what will happen when both the polarity of the field poles, and the direction of current to the brushes of a DC motor are reversed? A. The motor will ... of rotation of the armature will remain the same. D. The field pole windings will become overheated.
Last Answer : Answer: C
Description : Which one of the following best describes users? a. Providers of both strategic and tactical direction to the project. b. Those intended to receive benefits or operate outputs. c. Facilitators of an appropriate issue resolution procedure. d. Those providing full-time commitment to the project.
Last Answer : b. Those intended to receive benefits or operate outputs.
Description : Which one of the following best describes users? a. Providers of both strategic and tactical direction to the project. b. Those intended to receive benefits or operate outputs. c. ... of an appropriate issue resolution procedure. d. Those providing full-time commitment to the project.
Description : ______________ describes the direction, the enterprise is going in, what its goals are, where it wants to be,and how it is going to get there. A. project report B. technical anlaysis C. market analysis D. financial analysis
Last Answer : A. project report
Description : Why you always acceleration when you ride a merry-go-round even though the speed of the merry-go-round does not change?
Description : What is inertia? (1) Tendency to resist change in the current state (2) Tendency to impart acceleration to a body (3) Tendency to bring a body to rest (4) Tendency to change its current state
Last Answer : (1) Tendency to resist change in the current state
Description : What is impulse equal to? (1) Change in momentum (2) Change in force (3) Change in velocity (4) Change in acceleration
Last Answer : (1) Change in momentum Explanation: Impulse is a quantity that describes the effect of a net force acting on an object. The impulsemomentum theorem states that the change in momentum of an object equals the impulse applied to it.
Description : The rate of change of displacement is called: (1) Acceleration (2) Speed (3) Distance (4) Velocity
Last Answer : (4) Velocity Explanation: In considering motions of objects over time the instantaneous velocity of the object is the rate of change of the displacement as a function of time.
Description : A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to – (1) Outward pull on him (2) Inertia of motion (3) Change in momentum (4) Change in acceleration
Last Answer : (2) Inertia of motion Explanation: This is inertia of direction. It is the ability of body to be in a state of direction of motion for example sun holds planets in a fixed elliptical path .this ... at rest or moving with a constant velocity. It is the property possessed by a body to resist change.
Description : The angular velocity depends upon the rate of change of the _______. (1) Angular Distance (2) Angular acceleration (3) Angular Displacement (4) torque
Last Answer : (3) Angular Displacement Explanation: The angular velocity is defined as the rate of change of angular displacement and is a vector quantity which specifies the angular speed of an object and the axis about which the object is rotating.
Description : Interaction that causes an object's momentum to change is A. velocity B. acceleration C. power D. force
Last Answer : force
Description : Acceleration head in a reciprocating pump (A) Increases the work done during delivery stroke (B) Decreases the work done during suction stroke (C) Does not change the work requirement of the pump (D) Increases the work done during suction stroke
Last Answer : (C) Does not change the work requirement of the pump
Description : If V is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec3 , is (A) 65/(70 + V) (B) 60/(70 + V) (C) 70/(65 + V) (D) 70/(60 + V)
Description : The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec2 , for a design speed 100 kmph, is (A) 16.0 m (B) 42.3 m (C) 84.6 m (D) None of these
Description : The length of a transition curve, is governed by (A) Rate of change of radial acceleration (B) Rate of change of super-elevation (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : If flaps are lowered during the take-off run: a. The lift would not change until the aircraft is airborne b. The lift would increase when the flaps are lowered c. The lift would decrease d. The acceleration would increase
Last Answer : b. The lift would increase when the flaps are lowered
Description : According to Acceleration principle investment depends on change in the level of------ (a) rate of interest. (b) level of income. © price (d) saving.
Last Answer : (b) level of income.
Description : Newton's second law states that the net force acting on a body is equal to the body's time rate of change of: w) acceleration x) mass y) momentum z) inertia
Last Answer : ANSWER: Y -- MOMENTUM
Description : A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to (1) Outward pull on him (2) Inertia of motion (3) Change in momentum (4) Change in acceleration
Last Answer : Inertia of motion
Description : Without involving the word "school" how do you categorize the different age groups?
Last Answer : Pre-pubescent, pubescent, post-pubescent
Description : Is there any scientific reason involving Caldonian Orogeny or the molecular structure of Ireland that would pit Northern Ireland with the UK instead of Ireland?
Last Answer : Wait, what are you asking?
Description : Is there a general way to solve equations involving both a multiple of x and a power of x?
Last Answer : Do they know about logarithms yet?
Description : In reference to The answer from @SmashTheState involving realpolitik, why is so little reference made to Otto Von Bismarck these days?
Last Answer : Because he is German, and all Germans are Nazis, obviously. He is also the inventor of public health insurance.
Description : When is an activity involving politics a waste of time?
Last Answer : When it’s of no interest to you.
Description : Do you think that the recent tragedy in Broken Arrow Oklahoma involving the Bever family might finally give us some insight into the Columbine shootings?
Last Answer : answer:“They also said 3,000 rounds of ammunition were delivered to the home after the murders and the boys planned to use it to kill so many people they would become more famous than the Columbine shooters.” You would think ordering that amount would at least make somebody wonder.
Description : If there is an accident involving a car backing out of a parking space and a car driving past in a parking lot, is the driver backing always at fault?
Last Answer : I would say yes. The driver backing out was not practicing enough caution. The one main reason I always try to park facing out in a parking lot. But that isn’t saying that the other driver wasn’t practicing caution either. Too many people take too many chances! SO not worth it.
Description : What are some good specific presentation topics involving neuroscience?
Last Answer : The link between schizophrenia and drug use is taken. How about the effects of caffeine and anxiety?
Description : If your 11 yr old was found to be involving themselves in gang activity...would you do as these people did?? What would you do?
Last Answer : answer:I grew up in a pretty moderate gang banging neighborhood. Probably an occassional drive by every 5 years in the 90s but only with gang to gang contact nothing too senseless With that being said racism ... I'm going off on a tangent. Great question got me to thinking about my sons future :D
Description : What was the answer for this bizarre extra credit question, involving car insurance?
Last Answer : Car insurance goes by the car, not by the person. So the car owner’s insurance would cover if the damage is considered a covered event by the insurance company.