How do you calculate powder factor? - Answers- washing powder factor formula 1 ,2010-9-13 · See answer (1) Best Answer. Copy. Powder Factor is the relationship of Explosives to Volume. It describes how much explosives are needed to blast a particular volume of rock. The easy formula is PF = (lbs of explosives used) / (yd^3 of rock blasted) It is just an indicator, so you can use whatever units of measure are common in your application.Q Factor: What is it? (And How Do You Measure It?)2020-10-4 · Q factor (also known as Quality Factor or Q-factor) is defined as a dimensionless parameter that describes the underdamped condition of an oscillator or resonator. The quality factor measures the performance of a coil, a capacitor, or an inductor in terms of its losses and resonator bandwidth. The definition of Quality Factor was originally ...
2017-5-8 · than or equal to 1.0mm, if necessary, to break up agglom- weight, M, of the powder to the nearest 0.1%. Calculate erates that may have formed during storage; this must bethe bulk density, in g/mL, by the formula: done gently to avoid changing the nature of the material. Into a dry graduated 250-mL cylinder (readable to 2mL) (M)/(V 0)
2014-6-11 · Shallow holes = 1 to 2 External loads = .3 Tons of Rock = Powder Factor lbs of Explosives The higher the powder factor, the lighter the load. Lower powder factor means more explosives. Example: 1.5 tons = PF of 6.25lbs BURDEN-SPACING CALCULATION From Powder Factor of 1 lb./c.y. 1. Determine borehole size. 2. Determine stemming: 24 x borehole ...
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2018-7-16 · Today we are going to talk about what role powder factor plays in our day-to-day applications of drilling and blasting. Powder factor is expressed in many different forms. Essentially it is a measurement of explosives per quantity of rock. The typical variation of this that we use on a daily basis is how many pounds of explosives per cubic yard ...
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The following formula calculates power factor (PF) based on KW and KVA or KW and KVAr. Input Load KW and Load KVA into Calculator-1, or Load KW and Load KVAr into Calculator-2, below to calculate Load Power Factor, Power Factor Angle, Load KVAr and Load KVA. After inputting the first two variables, the required kVAr (Capacitors added) to ...
2020-10-4 · Q factor (also known as Quality Factor or Q-factor) is defined as a dimensionless parameter that describes the underdamped condition of an oscillator or resonator. The quality factor measures the performance of a coil, a capacitor, or an inductor in terms of its losses and resonator bandwidth. The definition of Quality Factor was originally ...
2017-5-8 · than or equal to 1.0mm, if necessary, to break up agglom- weight, M, of the powder to the nearest 0.1%. Calculate erates that may have formed during storage; this must bethe bulk density, in g/mL, by the formula: done gently to avoid changing the nature of the material. Into a dry graduated 250-mL cylinder (readable to 2mL) (M)/(V 0)
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2014-6-11 · Shallow holes = 1 to 2 External loads = .3 Tons of Rock = Powder Factor lbs of Explosives The higher the powder factor, the lighter the load. Lower powder factor means more explosives. Example: 1.5 tons = PF of 6.25lbs BURDEN-SPACING CALCULATION From Powder Factor of 1 lb./c.y. 1. Determine borehole size. 2. Determine stemming: 24 x borehole ...
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2020-10-4 · Q factor (also known as Quality Factor or Q-factor) is defined as a dimensionless parameter that describes the underdamped condition of an oscillator or resonator. The quality factor measures the performance of a coil, a capacitor, or an inductor in terms of its losses and resonator bandwidth. The definition of Quality Factor was originally ...
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2014-11-30 · Powder Factor is defined as the amount of explosive required to dislodge and fragment 1 cubic yard of rock. [3] The softer (less dense) the material that is being blasted; the smaller the powder factor. Blastability Index (BI) is a variable calculated from the rock mass description (RMD), location of any cracks or weaknesses (referred to as ...